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0871c4
algebra_poly_eval_v1_124444284_7685
Let $b = 7$ and $n = 6$. Define $$ r = 2b^4 + 3b^3 + 4b^2 + n b + 1. $$ Let $M$ be the largest positive divisor $d$ of $4124897$ such that $1 \leq d \leq 2023$. Compute the remainder when $M - r$ is divided by $75164$.
71,117
graphs = [ Graph( let={ "_n": Const(6), "b": Const(7), "result": Sum(Mul(Const(2), Pow(Ref("b"), Const(4))), Mul(Const(3), Pow(Ref("b"), Const(3))), Mul(Const(4), Pow(Ref("b"), Const(2))), Mul(Ref("_n"), Ref("b")), Const(1)), "Q": Mod(value=Sub(MaxOverSet(set=...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
ad1a9b
algebra_poly_eval_v1
negation_mod
4
0
[ "MAX_DIVISOR" ]
1
0.002
2026-02-08T09:17:01.934172Z
{ "verified": true, "answer": 71117, "timestamp": "2026-02-08T09:17:01.936142Z" }
e7d93f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 7382 }, "timestamp": "2026-02-14T02:57:26.178Z", "answer": 71117 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
04d355
comb_bell_compute_v1_397696148_271
Let $n$ be the number of integers $t$ with $5 \le t \le 14$ for which there exist positive integers $a$ and $b$ such that $1 \le a \le 2$, $1 \le b \le 4$, and $t = 3a + 2b$. Let $B_n$ denote the $n$th Bell number, which counts the number of partitions of a set of $n$ elements. Define $Q$ to be the remainder when $8541...
15,732
graphs = [ Graph( let={ "_n": Const(82656), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Va...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_bell_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T11:24:10.667746Z
{ "verified": true, "answer": 15732, "timestamp": "2026-02-08T11:24:10.668874Z" }
35dd80
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 242, "completion_tokens": 1311 }, "timestamp": "2026-02-24T13:41:17.692Z", "answer": 15732 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
53da6f
nt_count_intersection_v1_458359167_4986
Let $N_0$ be the number of integers $t$ with $9\le t\le 55$ for which there exist integers $a$ and $b$ satisfying $1\le a\le 7$, $1\le b\le 5$, and $$t=5a+4b.$$ Let $S$ be the set of all integers $n$ with $1\le n\le 348$ such that $3$ divides the $n$th Fibonacci number $F_n$. Let $M$ be the number of elements of $S$. ...
6,666
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=7)), Geq(left=Var(name='b'), right=Const(value=...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/SUM_DIVISIBLE/C5", "COUNT_FIB_DIVISIBLE/C5" ]
35d971
nt_count_intersection_v1
null
8
0
[ "C5", "COUNT_FIB_DIVISIBLE", "LIN_FORM", "SUM_DIVISIBLE" ]
4
2.771
2026-02-08T12:10:08.841156Z
{ "verified": true, "answer": 6666, "timestamp": "2026-02-08T12:10:11.612192Z" }
0abe25
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 324, "completion_tokens": 2985 }, "timestamp": "2026-02-14T23:07:11.532Z", "answer": 6666 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "C5", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status":...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
0498c2
nt_num_divisors_compute_v1_655260480_3703
Let $S$ be the set of all ordered pairs $(x_1, y_1)$ of positive integers such that $x_1 y_1 = 144$. Let $T$ be the set of all values $x_1 + y_1$ where $(x_1, y_1) \in S$. Define $m$ to be the minimum value in $T$. Now, let $U$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = m$. Define ...
15,225
graphs = [ Graph( let={ "_m": Const(85559), "_n": Const(86574), "n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), MinOverSet(set...
NT
null
COMPUTE
sympy
B3
[ "B3/B1" ]
7f76f7
nt_num_divisors_compute_v1
null
4
0
[ "B1", "B3" ]
2
0.005
2026-02-08T17:30:40.897079Z
{ "verified": true, "answer": 15225, "timestamp": "2026-02-08T17:30:40.901792Z" }
551472
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 985 }, "timestamp": "2026-02-18T03:26:23.331Z", "answer": 15225 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a85270
comb_count_partitions_v1_655260480_3174
Let $n$ be the number of integers $t$ such that $10 \leq t \leq 100$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 19$, and $t = 6a + 4b$. Let $p(n)$ denote the number of integer partitions of $n$. Find the value of $p(n)$.
75,175
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=4)), Geq(left=Var(name='b'), right=Const(value=1...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
5
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T17:13:47.755965Z
{ "verified": true, "answer": 75175, "timestamp": "2026-02-08T17:13:47.757443Z" }
61ed7b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 2607 }, "timestamp": "2026-02-17T22:41:59.284Z", "answer": 75175 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
b19bfb
algebra_poly_eval_v1_151522320_233
Compute the value of $$ \left( \sum_{k=1}^{4} \phi(k) \left\lfloor \frac{4}{k} \right\rfloor \right) \cdot 7^3 - 3 \cdot 7^2 + 8 \cdot 7 - 9. $$
3,330
graphs = [ Graph( let={ "_n": Const(2), "k": Const(7), "result": Sum(Mul(Summation(var="k", start=Const(1), end=Const(4), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(4), Var("k"))))), Pow(Ref("k"), Const(3))), Mul(Const(-3), Pow(Ref("k"), Ref("_n"))), Mul(Const(8), Ref...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
algebra_poly_eval_v1
null
4
0
[ "K2" ]
1
0.002
2026-02-08T03:05:28.716018Z
{ "verified": true, "answer": 3330, "timestamp": "2026-02-08T03:05:28.718326Z" }
615fcc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 354 }, "timestamp": "2026-02-10T13:05:30.134Z", "answer": 3330 }, { "id...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
25ee83
sequence_fibonacci_compute_v1_458359167_1195
Let $n$ be the number of positive integers $t$ such that $10 \leq t \leq 56$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 4$, $1 \leq b \leq 8$, and $t = 6a + 4b$. Compute the $n$th Fibonacci number. (Define the Fibonacci sequence by $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3...
17,711
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=4)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T04:29:19.549440Z
{ "verified": true, "answer": 17711, "timestamp": "2026-02-08T04:29:19.550295Z" }
f57060
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 2150 }, "timestamp": "2026-02-10T16:53:22.069Z", "answer": 17711 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
21041d
comb_sum_binomial_mod_v1_458359167_1686
Let $m = 3353$. Define $n$ to be the number of nonnegative integers $j \leq m$ such that $\binom{3353}{j}$ is odd. For each positive integer $k \leq n$, define $t_k = \binom{s}{k}$, where $s$ is the number of integers $t$ with $8 \leq t \leq 90$ that can be expressed as $3a + 5b$ for positive integers $a \leq 5$ and $b...
2,118
graphs = [ Graph( let={ "_m": Const(3353), "_n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_m")), Eq(Mod(value=Binom(n=Const(3353), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), "su...
ALG
COMB
COMPUTE
sympy
V8
[ "V8/LIN_FORM" ]
e9c298
comb_sum_binomial_mod_v1
null
6
0
[ "LIN_FORM", "V8" ]
2
0.007
2026-02-08T04:48:05.487132Z
{ "verified": true, "answer": 2118, "timestamp": "2026-02-08T04:48:05.493924Z" }
235371
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 256, "completion_tokens": 32768 }, "timestamp": "2026-02-24T01:53:41.216Z", "answer": null }, { ...
1
[ { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok_later" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "ok" ...
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
a868a3
algebra_poly_eval_v1_1470522791_1636
Let $p$ and $q$ be positive integers. Define $b$ as the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 17640$, $\gcd(p, q) = 1$, and $p < q$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 4$. For each such pair, compute $x + y$, and ...
28,082
graphs = [ Graph( let={ "_n": Const(4), "b": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=17640)), Eq(left=GCD(a=Var(name='p'), b=Var(name=...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "B3" ]
1999ea
algebra_poly_eval_v1
null
6
0
[ "B3", "COPRIME_PAIRS" ]
2
0.007
2026-02-08T13:47:33.813953Z
{ "verified": true, "answer": 28082, "timestamp": "2026-02-08T13:47:33.821041Z" }
ab16f0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 194, "completion_tokens": 1678 }, "timestamp": "2026-02-15T21:10:15.084Z", "answer": 28082 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
fae003
comb_bell_compute_v1_153355830_1258
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 2520$, $\gcd(p, q) = 1$, and $p < q$. Let $B_n$ denote the $n$-th Bell number, which counts the number of partitions of a set of $n$ elements. Compute the remainder when $44121 \cdot B_n$ is divided by $84934$.
52,840
graphs = [ Graph( let={ "_n": Const(44121), "n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=2520)), Eq(left=GCD(a=Var(name='p'), b=Var(na...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_bell_compute_v1
null
5
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T06:13:08.914114Z
{ "verified": true, "answer": 52840, "timestamp": "2026-02-08T06:13:08.916009Z" }
5fe7ce
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 2728 }, "timestamp": "2026-02-12T21:46:04.169Z", "answer": 52840 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
42a32a
modular_modexp_compute_v1_458359167_1042
Let $a = 41$. Define $e$ to be the number of integers $n$ such that $1 \leq n \leq 8701$ and $\gcd(n, 10) = 1$. Let $m = 52900$ and let $r$ be the remainder when $a^e$ is divided by $m$. Compute the remainder when $44121 \cdot r$ is divided by $71759$. Find the value of this remainder.
5,935
graphs = [ Graph( let={ "_n": Const(71759), "a": Const(41), "e": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(8701)), Eq(GCD(a=Var("n"), b=Const(10)), Const(1))))), "m": Const(52900), "resul...
NT
null
COMPUTE
sympy
C4
[ "C4" ]
08d162
modular_modexp_compute_v1
null
5
0
[ "C4" ]
1
0.002
2026-02-08T04:14:46.567172Z
{ "verified": true, "answer": 5935, "timestamp": "2026-02-08T04:14:46.569101Z" }
4d5624
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 5191 }, "timestamp": "2026-02-10T15:53:48.423Z", "answer": 5935 }, { "...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
afbcbd
modular_sum_quadratic_residues_v1_677425708_2169
Let $n = 4$ and let $p$ be the largest prime number not exceeding $101$. Define $r = \frac{p(p-1)}{n}$. Find the value of $r$.
2,525
graphs = [ Graph( let={ "_n": Const(4), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(101)), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Ref("_n")), }, goal=Ref("re...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T04:49:54.854554Z
{ "verified": true, "answer": 2525, "timestamp": "2026-02-08T04:49:54.855638Z" }
4ff85a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 211 }, "timestamp": "2026-02-11T22:08:57.476Z", "answer": 2525 }, { "i...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
ff25d7
modular_mod_compute_v1_1820931509_286
Let $S$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 9$. Let $s_{\min}$ be the minimum value of $x + y$ over all pairs $(x, y) \in S$. Let $A$ be the set of all ordered pairs of positive integers $(x, y)$ such that $x + y = s_{\min}$. Let $a$ be the maximum value of $xy$ over all pairs ...
4,819
graphs = [ Graph( let={ "_m": Const(58715), "_n": Const(65452), "a": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), MinOverSet(set...
NT
null
COMPUTE
sympy
B3
[ "B3/B1" ]
7f76f7
modular_mod_compute_v1
null
4
0
[ "B1", "B3" ]
2
0.007
2026-02-08T11:28:02.830283Z
{ "verified": true, "answer": 4819, "timestamp": "2026-02-08T11:28:02.836849Z" }
43553f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 251, "completion_tokens": 1738 }, "timestamp": "2026-02-14T14:39:02.480Z", "answer": 4819 }, {...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V3", "status": "no" }, { ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
2c54bb
comb_count_permutations_fixed_v1_1419126231_195
Let $D_n$ denote the number of derangements of $n$ elements. Let $S$ be the set of integers $a$ with $0 \leq a \leq 7920$ such that $\left((a^2 - 1437) \bmod 7921\right)^2 - 1437 \equiv a \pmod{7921}$ and $(a^2 - 1437) \not\equiv a \pmod{7921}$. Let $k = \binom{|S|}{0} - 1$ and $n = 8$. Compute $\binom{n}{k} \cdot D_{n...
14,833
graphs = [ Graph( let={ "_n": Const(2), "n": Const(8), "k": Sub(Binom(n=CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(7920)), Eq(Mod(value=Sum(Pow(Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-1437)), modulus=Const(...
COMB
null
COUNT
sympy
COMB1
[ "POLY_ORBIT_HENSEL/ZERO_BINOM_0" ]
4267fe
comb_count_permutations_fixed_v1
null
6
0
[ "COMB1", "POLY_ORBIT_HENSEL", "ZERO_BINOM_0" ]
3
0.434
2026-02-25T09:45:32.740626Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-25T09:45:33.174479Z" }
b2d8fa
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 257, "completion_tokens": 1286 }, "timestamp": "2026-03-30T07:27:24.916Z", "answer": 14833 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM"...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
1bb2f5
antilemma_sum_equals_v1_655260480_2421
Let $n$ be the number of ordered pairs $(i, j)$ such that $1 \leq i \leq 5$ and $1 \leq j \leq 11$. Compute the number of ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 53$, $1 \leq j \leq 53$, and $i + j = n$.
52
graphs = [ Graph( let={ "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(5)), right=IntegerRange(start=Const(1), end=Const(11)))), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COUNT_CARTESIAN/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
8bee9e
antilemma_sum_equals_v1
null
3
0
[ "COMB1", "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
3
0.063
2026-02-08T16:42:47.708388Z
{ "verified": true, "answer": 52, "timestamp": "2026-02-08T16:42:47.770984Z" }
6c46cd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 128, "completion_tokens": 608 }, "timestamp": "2026-02-17T11:17:32.604Z", "answer": 52 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no...
{ "lo": -5.64, "mid": -3.17, "hi": -0.81 }
578145
diophantine_fbi2_count_v1_784195855_9309
Let $k$ be the number of positive integers $n$ with $1 \leq n \leq 10800$ such that $10$ divides the $n$-th Fibonacci number. Determine the number of positive integers $d$ with $2 \leq d \leq 112$ such that $d$ divides $k$, and $\frac{k}{d}$ is an integer between $3$ and $113$, inclusive.
18
graphs = [ Graph( let={ "k": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(10800)), Divides(divisor=Const(10), dividend=Fibonacci(arg=Var(name='n')))))), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(V...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
diophantine_fbi2_count_v1
null
7
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.009
2026-02-08T16:41:01.174283Z
{ "verified": true, "answer": 18, "timestamp": "2026-02-08T16:41:01.183163Z" }
6b49d4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 135, "completion_tokens": 2114 }, "timestamp": "2026-02-17T09:29:25.270Z", "answer": 18 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
77c8d7
nt_count_divisible_and_v1_1456120455_44
Let $S$ be the set of all positive integers $n$ such that $1 \le n \le 65196$, $n$ is divisible by $6$, and the remainder when $n$ is divided by $9$ equals $\sum_{d \mid 46} \mu(d)$, where $\mu$ denotes the Möbius function. Let $N = |S|$. Compute the remainder when $98381 \cdot N$ is divided by $65808$.
51,470
graphs = [ Graph( let={ "upper": Const(65196), "d1": Const(6), "d2": Const(9), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("d1")), Const(0)), Eq(Mo...
NT
null
COUNT
sympy
MOBIUS_SUM
[ "MOBIUS_SUM" ]
518e32
nt_count_divisible_and_v1
null
4
0
[ "MOBIUS_SUM" ]
1
8.472
2026-02-08T02:51:22.513120Z
{ "verified": true, "answer": 51470, "timestamp": "2026-02-08T02:51:30.984896Z" }
b44a4f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 216, "completion_tokens": 5916 }, "timestamp": "2026-02-08T19:55:01.807Z", "answer": 51470 }, { "...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOBIUS_SUM", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -6.51, "mid": -0.53, "hi": 4.75 }
cac18b
nt_min_coprime_above_v1_397696148_1581
Let $s = 1936$ and let $d_{\min}$ be the smallest divisor of $14687919293$ that is at least $2$. Let $r$ be the smallest integer $n$ such that $n > s$, $n \leq d_{\min}$, and $\gcd(n, 495) = 1$. Let $c$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 46$. Find the remainder ...
77,178
graphs = [ Graph( let={ "_n": Const(78586), "start": Const(1936), "upper": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(14687919293))))), "modulus": Const(495), "result": ...
NT
null
EXTREMUM
sympy
B1
[ "B1", "MIN_PRIME_FACTOR" ]
58e2b8
nt_min_coprime_above_v1
negation_mod
6
0
[ "B1", "MIN_PRIME_FACTOR" ]
2
0.067
2026-02-08T12:39:14.973861Z
{ "verified": true, "answer": 77178, "timestamp": "2026-02-08T12:39:15.040845Z" }
0fc181
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 167, "completion_tokens": 7256 }, "timestamp": "2026-02-15T03:11:38.749Z", "answer": 77178 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma"...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
d80a3b
algebra_poly_eval_v1_601307018_4439
Let $m$ be the number of non-negative integers $a$ with $0 \le a \le 528$ such that $M = a^5 + 5a^4 + 5a^3 + 4a^2 - 5a + 2 \bmod 529$, $R = M^5 + 5M^4 + 5M^3 + 4M^2 - 5M + 2 \bmod 529$, and $R = a$ but $M \ne a$. Let $S = m^3 - 8m^2 + 9m + 9$. Find the remainder when $50261S$ is divided by $98889$.
15,502
graphs = [ Graph( let={ "_n": Const(4), "m": CountOverSet(set=SolutionsSet(var=Var("a"), condition=And(Geq(Var("a"), Const(0)), Leq(Var("a"), Const(528)), Eq(Ref("_po_p2"), Var("a")), Neq(Ref("_po_p1"), Var("a"))))), "result": Sum(Pow(Ref("m"), Const(3)), Mul(Const(-8), P...
ALG
null
COMPUTE
sympy
POLY_ORBIT_HENSEL
[ "POLY_ORBIT_HENSEL" ]
53b6eb
algebra_poly_eval_v1
null
7
0
[ "POLY_ORBIT_HENSEL" ]
1
2.328
2026-03-10T04:59:56.681863Z
{ "verified": true, "answer": 15502, "timestamp": "2026-03-10T04:59:59.009811Z" }
f6c4e0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 261, "completion_tokens": 32768 }, "timestamp": "2026-03-29T12:14:37.787Z", "answer": null }, { ...
1
[ { "lemma": "POLY_ORBIT_HENSEL", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
bd8c67
diophantine_sum_product_min_v1_151522320_2572
Let $S = 38$ and $P = 361$. Let $T$ be the set of all integers $n$ such that $1 \leq n \leq 37$ and $n \equiv 0 \pmod{37}$. Define $U$ to be the sum of all elements of $T$. Determine the smallest positive integer $x$ such that $1 \leq x \leq U$ and $x(S - x) = P$.
19
graphs = [ Graph( let={ "S": Const(38), "P": Const(361), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(37)), Eq(...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "SUM_DIVISIBLE" ]
02dbe3
diophantine_sum_product_min_v1
null
4
0
[ "LIN_FORM", "SUM_DIVISIBLE" ]
2
0.132
2026-02-08T04:52:55.891391Z
{ "verified": true, "answer": 19, "timestamp": "2026-02-08T04:52:56.023401Z" }
272120
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 697 }, "timestamp": "2026-02-11T22:01:46.497Z", "answer": 19 }, { "id": 11, ...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_DIVISIBLE", "status": "ok" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
f27f6d
modular_count_residue_v1_153355830_1436
Let $S$ be the set of all integers $t$ such that $26 \leq t \leq 62$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 3$, $1 \leq b \leq 5$, and $t = 10a + 4b + 12$. Let $m = |S|$. Let $r = \varphi(2)$, where $\varphi$ is Euler's totient function. Let $T$ be the set of all integers $n$ such that $r \le...
2,641
graphs = [ Graph( let={ "upper": Const(39601), "m": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=3)), Geq(left...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM", "ONE_PHI_2" ]
9858be
modular_count_residue_v1
null
4
0
[ "LIN_FORM", "ONE_PHI_2" ]
2
1.896
2026-02-08T06:23:36.952152Z
{ "verified": true, "answer": 2641, "timestamp": "2026-02-08T06:23:38.848315Z" }
b2304d
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 1077 }, "timestamp": "2026-02-19T07:48:11.615Z", "answer": 2641 } ]
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "ONE_PHI_2", "status": "ok" }, ...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
f624db
lin_form_endings_v1_1742523217_3423
Let $a = 36$ and $b = 27$. Let $d = \gcd(a, b)$. Let $k = 15839$ and define $s = k \times d$. Compute the remainder when $s$ is divided by $55518$.
31,515
graphs = [ Graph( let={ "a_coeff": Const(36), "b_coeff": Const(27), "_inner_result": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(15839), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(55518), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0
2026-02-08T05:52:00.091607Z
{ "verified": true, "answer": 31515, "timestamp": "2026-02-08T05:52:00.092091Z" }
d953a7
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 121, "completion_tokens": 309 }, "timestamp": "2026-02-11T23:18:37.754Z", "answer": 31815 }, { "id": 11...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.34 }
51f03b
diophantine_product_count_v1_865884756_4144
Let $m$ be the number of integers $n$ with $1\le n\le 7217$ such that $\gcd(n,15)=1$. Let $k$ be the smallest possible value of $x+y$, where $x$ and $y$ are positive integers satisfying $xy=396900$. Let $u$ be the sum of all integers $r$ such that $$r^2-125r+m=0.$$ Let $U$ be the greatest prime number $p$ with $2\le ...
18
graphs = [ Graph( let={ "_c": Const(15), "_m": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(7217)), Eq(GCD(a=Var("n"), b=Ref("_c")), Const(1))))), "_n": Const(2), "k": MinOverSet(set=MapOverSet(set=Solu...
NT
null
COUNT
sympy
C4
[ "C4/VIETA_SUM/MAX_PRIME_BELOW", "B3" ]
8d2515
diophantine_product_count_v1
null
7
0
[ "B3", "C4", "MAX_PRIME_BELOW", "VIETA_SUM" ]
4
0.012
2026-02-08T17:45:55.233323Z
{ "verified": true, "answer": 18, "timestamp": "2026-02-08T17:45:55.245465Z" }
d93c4a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 209, "completion_tokens": 1738 }, "timestamp": "2026-02-18T08:11:14.929Z", "answer": 18 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
09b55f
comb_count_derangements_v1_1218484723_1803
Let $D_n$ denote the number of derangements of $n$ elements. Define $h = \sum_{k=0}^{0} (-1)^k \binom{0}{k}$, $n = 7h$, $m = \sum_{k=0}^{7} (-1)^k \binom{7}{k}$, $S = 47961 + m$, $T = D_n$, and $v = \sum_{k=0}^{0} (-1)^k \binom{0}{k}$. Compute $S - T$.
46,107
graphs = [ Graph( let={ "n3": Const(7), "m": Summation(var="k", start=Const(0), end=Ref("n3"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n3"), k=Var("k")))), "n2": Const(0), "v": Summation(var="k1", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), ...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_derangements_v1
null
2
3
[ "BINOMIAL_ALTERNATING" ]
1
0.002
2026-02-25T03:27:59.738148Z
{ "verified": true, "answer": 46107, "timestamp": "2026-02-25T03:27:59.740495Z" }
7c0a57
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 232, "completion_tokens": 1088 }, "timestamp": "2026-03-29T01:27:03.245Z", "answer": 46107 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_...
{ "lo": -4.26, "mid": -1.81, "hi": 1.23 }
9dacbd
antilemma_k3_v1_124444284_5078
Let $x = \sum_{d \mid 66909} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $r$ be the remainder when $|x|$ is divided by $11$. Compute the Bell number $B_r$, which is the number of partitions of a set of $r$ elements.
877
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=66909), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Bell(Mod(value=Abs(arg=Ref(name='x')), modulus=Const(11))), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
4
0
[ "K3" ]
1
0.006
2026-02-08T06:23:08.225592Z
{ "verified": true, "answer": 877, "timestamp": "2026-02-08T06:23:08.231879Z" }
47e211
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 117, "completion_tokens": 480 }, "timestamp": "2026-02-12T23:37:00.856Z", "answer": 877 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
300eca
lin_form_endings_v1_458359167_4677
Let $a = 24$, $b = 56$, $A = 25$, and $B = 14$. Let $g = \gcd(a, b)$ and define $$ n = \left\lfloor \frac{aA + bB - a - b}{g} \right\rfloor + 1. $$ Compute the remainder when $14461 \cdot n$ is divided by $99170$.
90,694
graphs = [ Graph( let={ "a_coeff": Const(24), "b_coeff": Const(56), "A_val": Const(25), "B_val": Const(14), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "numerator": Sub(Sum(Mul(Ref("a_coeff"), Ref("A_val")), Mul(Ref("b_coeff"), R...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T11:58:39.571849Z
{ "verified": true, "answer": 90694, "timestamp": "2026-02-08T11:58:39.573644Z" }
41fac3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 794 }, "timestamp": "2026-02-14T21:41:51.470Z", "answer": 90694 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8_SUM", "st...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
c76b34
comb_factorial_compute_v1_865884756_4573
Let $n$ be the largest prime number such that $2 \leq n \leq 9$. Compute the remainder when $87031 \cdot n!$ is divided by $94558$.
76,236
graphs = [ Graph( let={ "_n": Const(94558), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(2)), Leq(Var("n1"), Const(9)), IsPrime(Var("n1"))))), "result": Factorial(Ref("n")), "Q": Mod(value=Mul(Const(87031), Ref("result")),...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_factorial_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.004
2026-02-08T17:59:40.932909Z
{ "verified": true, "answer": 76236, "timestamp": "2026-02-08T17:59:40.936562Z" }
1bdf1a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 87, "completion_tokens": 1358 }, "timestamp": "2026-02-18T11:48:28.709Z", "answer": 76236 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
79739b
nt_lcm_compute_v1_1918700295_663
Let $N$ be the number of integers $t$ with $20 \leq t \leq 1400$ for which there exist positive integers $a$ and $b$ such that $1 \leq a \leq 219$, $1 \leq b \leq 146$, and $$ t = 5a + 2b + 13. $$ Let $a$ be the number of positive integers $n$ such that $1 \leq n \leq N$ and $\gcd(n, 10) = 1$. Let $b = 1537$, and defin...
26,584
graphs = [ Graph( let={ "_n": Const(10), "a": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/C4" ]
067e5d
nt_lcm_compute_v1
null
5
0
[ "C4", "LIN_FORM" ]
2
0.003
2026-02-08T03:22:09.003683Z
{ "verified": true, "answer": 26584, "timestamp": "2026-02-08T03:22:09.006839Z" }
6fb882
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 290, "completion_tokens": 7640 }, "timestamp": "2026-02-10T14:10:18.074Z", "answer": 26584 }, { "...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "K13", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemm...
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
40c4bf
geo_count_lattice_triangle_v1_124444284_4602
Let $A$ be the area of a triangle with vertices at $(128, 9)$, $(21, 100)$, and $(0, 0)$, multiplied by 2. Let $B$ be the sum of the greatest common divisors of the absolute differences in coordinates along each side of the triangle, specifically: $$ B = \gcd(|128 - 21|, |9 - 100|) + \gcd(|21 - 0|, |100 - 0|) + \gcd(|...
6,305
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=128), Const(value=100)), Mul(Const(value=21), Sub(left=Const(value=0), right=Const(value=9))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=128)), b=Abs(arg=Const(value=9))), GCD(a=Abs(arg=Sub(left=Const(value=21), right=C...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
5
0
null
null
0.003
2026-02-08T06:06:26.243143Z
{ "verified": true, "answer": 6305, "timestamp": "2026-02-08T06:06:26.245992Z" }
d754bd
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 664 }, "timestamp": "2026-02-15T17:05:55.027Z", "answer": 3153 }, { "id": 11, ...
1
[]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
adefe5
alg_qf_psd_sum_v1_1218484723_2956
Find the remainder when $$\sum_{\substack{a=1 \\ b=1 \\ c=1 \\ d=1}}^{16} \left( 34d^2 + \left| \left\{ (a_1, b_1) : 1 \leq a_1 \leq 35,\ 1 \leq b_1 \leq \left| \left\{ (a_2, b_2) : 1 \leq a_2, b_2 \leq 35,\ -189a_2^3 = -137781 \right\} \right|,\ 16b_1^2 + 16a_1^2 - 32a_1b_1 = 256 \right\} \right| \cdot a \cdot d + 33a...
17,134
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c"), Var("d")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(16)), Geq(Var("b"), Const(1)), L...
ALG
null
COMPUTE
sympy
POLY3_COUNT
[ "POLY3_COUNT/QF_PSD_COUNT" ]
682a6e
alg_qf_psd_sum_v1
null
6
0
[ "POLY3_COUNT", "QF_PSD_COUNT" ]
2
0.222
2026-02-25T04:42:02.556967Z
{ "verified": true, "answer": 17134, "timestamp": "2026-02-25T04:42:02.778809Z" }
f32ddc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 336, "completion_tokens": 5025 }, "timestamp": "2026-03-29T07:30:46.388Z", "answer": 37419 }, { ...
1
[ { "lemma": "POLY3_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
a9f4c5
nt_gcd_compute_v1_1742523217_1043
Let $p = 7$, $h = ( (p-1)! + 1 ) \bmod p$, and $n = 485$. Define $s = \left( \sum_{d \mid n} \phi(d) \right) - n$, where $\phi$ is Euler's totient function. Let $a = 599963$ and $b = 1114217 + h + s$. Let $g = \gcd(a, b)$. Find the remainder when $44121 \cdot g$ is divided by $92410$.
57,179
graphs = [ Graph( let={ "p": Const(7), "h": Mod(value=Sum(Factorial(Sub(Ref("p"), Const(1))), Const(1)), modulus=Ref("p")), "n": Const(485), "s": Sub(SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), Ref("n")), "a": Const(5...
NT
null
COMPUTE
sympy
EULER_TOTIENT_SUM
[ "EULER_TOTIENT_SUM", "WILSON" ]
bd04a1
nt_gcd_compute_v1
null
4
2
[ "EULER_TOTIENT_SUM", "WILSON" ]
2
0.002
2026-02-08T03:23:53.773573Z
{ "verified": true, "answer": 57179, "timestamp": "2026-02-08T03:23:53.775193Z" }
3fa953
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 230, "completion_tokens": 2688 }, "timestamp": "2026-02-10T02:29:47.324Z", "answer": 57179 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "EULER_TOTIENT_SUM", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "le...
{ "lo": 1.69, "mid": 5.03, "hi": 8.38 }
9654c2
antilemma_sum_equals_v1_458359167_5464
Let $n = 23$. Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \le i \le 21$, $1 \le j \le 22$, and $i + j = n$. Define $s = \binom{6}{0}$ and $t = |x|$. Compute $\sum_{k=s}^{t} \phi(k)$, where $\phi$ denotes Euler's totient function.
140
graphs = [ Graph( let={ "_n": Const(23), "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(21)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COUNT_SUM_EQUALS", "ONE_BINOM_0" ]
ec98de
antilemma_sum_equals_v1
null
4
0
[ "COMB1", "COUNT_SUM_EQUALS", "ONE_BINOM_0" ]
3
0.042
2026-02-08T12:32:04.836253Z
{ "verified": true, "answer": 140, "timestamp": "2026-02-08T12:32:04.877947Z" }
448313
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 1170 }, "timestamp": "2026-02-24T15:49:45.711Z", "answer": 140 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "ONE_BINOM_0", "status": "ok" }, { "lemma": "V7", "sta...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
2a7e4a
nt_lcm_compute_v1_397696148_805
Let $n = 44121$, $a = 1013$, and let $b$ be the sum of $\phi(d)$ over all positive divisors $d$ of $2776$. Let $r$ be the least common multiple of $a$ and $b$. Compute the remainder when $n \cdot r$ is divided by $57677$.
25,390
graphs = [ Graph( let={ "_n": Const(44121), "a": Const(1013), "b": SumOverDivisors(n=Const(value=2776), var='d', expr=EulerPhi(n=Var(name='d'))), "result": LCM(a=Ref("a"), b=Ref("b")), "Q": Mod(value=Mul(Ref("_n"), Ref("result")), modulus=Const(576...
NT
null
COMPUTE
sympy
K3
[ "K3" ]
54c41e
nt_lcm_compute_v1
null
3
0
[ "K3" ]
1
0.002
2026-02-08T11:45:34.955705Z
{ "verified": true, "answer": 25390, "timestamp": "2026-02-08T11:45:34.957336Z" }
ed9e39
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 121, "completion_tokens": 2196 }, "timestamp": "2026-02-14T18:08:19.353Z", "answer": 25390 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
3c401a
modular_count_residue_v1_124444284_1904
Let $m = 89$. Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = 126736$. Let $r$ be the number of positive integers $k$ such that $1 \leq k \leq s$ and $m$ divides $k$. Compute the number of positive integers $n$ such that $1 \leq n \leq 83160$ and $n \equiv r \...
2,772
graphs = [ Graph( let={ "_m": Const(89), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(126736)))), expr=Sum(Var("x"), Var("y"))))...
NT
null
COUNT
sympy
B3
[ "B3/C2" ]
dcbe93
modular_count_residue_v1
null
6
0
[ "B3", "C2" ]
2
2.944
2026-02-08T04:12:30.580388Z
{ "verified": true, "answer": 2772, "timestamp": "2026-02-08T04:12:33.524662Z" }
aa99f3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 1157 }, "timestamp": "2026-02-10T15:43:20.777Z", "answer": 2772 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
44eb3f
modular_inverse_v1_655260480_6
Let $a = 483$ and $m = 613$. Let $S$ be the set of all integers $x$ such that $1 \leq x \leq 612$ and $ax \equiv 1 \pmod{m}$. Let $r$ be the smallest element of $S$. Let $T$ be the set of all ordered pairs $(x_1, y)$ of positive integers such that $x_1 + y$ equals the number of integers $t$ satisfying $15 \leq t \leq ...
40,322
graphs = [ Graph( let={ "a": Const(483), "m": Const(613), "upper": Const(612), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Eq(Mod(value=Mul(Ref("a"), Var("x")), modulus=Ref("m")), Cons...
ALG
NT
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM/B1" ]
259044
modular_inverse_v1
two_stage_modexp
7
0
[ "B1", "LIN_FORM" ]
2
0.035
2026-02-08T15:07:46.148170Z
{ "verified": true, "answer": 40322, "timestamp": "2026-02-08T15:07:46.182916Z" }
4ddbe9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 258, "completion_tokens": 3757 }, "timestamp": "2026-02-16T00:24:50.399Z", "answer": 40322 }, ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b7cd68
modular_sum_quadratic_residues_v1_1978505735_7621
Let $p$ be the largest positive divisor of $166343$ that is at most $397$. Let $r = \frac{p(p-1)}{4}$. Find the smallest positive integer $k$ such that $F_k \equiv 0 \pmod{|r| + 2}$, where $F_k$ is the $k$-th Fibonacci number.
11,240
graphs = [ Graph( let={ "_n": Const(4), "p": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(397)), Divides(divisor=Var("d"), dividend=Const(166343))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Ref("_n")),...
NT
null
SUM
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
modular_sum_quadratic_residues_v1
null
3
0
[ "MAX_DIVISOR" ]
1
0.003
2026-02-08T20:21:53.510310Z
{ "verified": true, "answer": 11240, "timestamp": "2026-02-08T20:21:53.512829Z" }
8a2ad2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 4535 }, "timestamp": "2026-02-19T00:24:48.553Z", "answer": 11240 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
476ebb
comb_bell_compute_v1_1520064083_1026
Let $m = 81$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Define $\text{_n}$ to be the maximum value of $xy$ over all such pairs. Let $n$ be the number of positive integers $j$ such that $1 \leq j \leq \text{_n}$ and $j^2 \leq m$. Compute the Bell number $B_n$, which is th...
21,147
graphs = [ Graph( let={ "_m": Const(81), "_n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(6)))), expr=Mul(Var("x"), Var("y")))), ...
COMB
null
COMPUTE
sympy
B1
[ "B1/C3" ]
0a705f
comb_bell_compute_v1
null
6
0
[ "B1", "C3" ]
2
0.002
2026-02-08T03:43:27.078098Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T03:43:27.079750Z" }
d967af
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 234, "completion_tokens": 815 }, "timestamp": "2026-02-10T15:37:08.327Z", "answer": 21147 }, { "i...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C3", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "st...
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
8396f2
antilemma_k2_v1_48377204_2422
Let $$ x = \sum_{k=1}^{404} \phi(k) \left\lfloor \frac{404}{k} \right\rfloor. $$ Let $a = \phi(|x| + 1)$ and $b = \tau(|x| + 9^0)$, where $\tau(n)$ denotes the number of positive divisors of $n$. Compute the remainder when $x + a + b$ is divided by $85208$.
74,838
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(404), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(404), Var("k"))))), "Q": Mod(value=Sum(Ref("x"), EulerPhi(n=Sum(Abs(arg=Ref(name='x')), Const(1))), NumDivisors(n=Sum(Abs(arg=Ref(name='x')), Pow(Const(9), C...
NT
COMB
COMPUTE
sympy
K13
[ "IDENTITY_POW_ZERO", "K2" ]
fce51d
antilemma_k2_v1
null
5
0
[ "IDENTITY_POW_ZERO", "K13", "K2" ]
3
0.006
2026-02-08T16:46:16.985701Z
{ "verified": true, "answer": 74838, "timestamp": "2026-02-08T16:46:16.991489Z" }
b7c5ee
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 142, "completion_tokens": 1660 }, "timestamp": "2026-02-17T10:44:48.660Z", "answer": 74838 }, ...
1
[ { "lemma": "IDENTITY_POW_ZERO", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
fd932a
geo_count_lattice_triangle_v1_1820931509_718
A triangle has vertices at $(0,0)$, $(180,33)$, and $(90,121)$. Let $A$ be twice the area of this triangle, and let $B$ be the number of lattice points on the boundary of the triangle, counting all three vertices and all points on the edges. Compute the value of $$ 56169 - \frac{A + 2 - B}{2}. $$
46,766
graphs = [ Graph( let={ "area_2x": Abs(arg=Sum(Mul(Const(value=180), Const(value=121)), Mul(Const(value=90), Sub(left=Const(value=0), right=Const(value=33))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=180)), b=Abs(arg=Const(value=33))), GCD(a=Abs(arg=Sub(left=Const(value=90), right...
ALG
NT
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
4
0
null
null
0.005
2026-02-08T11:50:16.462221Z
{ "verified": true, "answer": 46766, "timestamp": "2026-02-08T11:50:16.467042Z" }
d8c56f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 1476 }, "timestamp": "2026-02-14T19:32:55.005Z", "answer": 46766 }, ...
1
[]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
204b85
nt_num_divisors_compute_v1_1125832087_992
Let $n$ be the maximum value of $xy$ over all ordered pairs $(x,y)$ of positive integers such that $x + y = 90$. Compute the number of positive divisors of $n$.
15
graphs = [ Graph( let={ "_n": Const(90), "n": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Ref("_n")))), expr=Mul(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
nt_num_divisors_compute_v1
null
4
0
[ "B1" ]
1
0.007
2026-02-08T03:24:44.311025Z
{ "verified": true, "answer": 15, "timestamp": "2026-02-08T03:24:44.318506Z" }
5c68ac
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 350 }, "timestamp": "2026-02-10T14:28:33.566Z", "answer": 15 }, { "id":...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.74 }
7a0af6
nt_sum_gcd_range_mod_v1_48377204_2332
Let $N = 8778$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 44100$. Define $k$ to be the minimum value of $x + y$ over all pairs $(x,y) \in S$. Let $$ \sum_{n=1}^{N} \gcd(n, k) $$ denote the sum of $\gcd(n, k)$ for $n$ from 1 to $N$. Compute the remainder when this sum is divide...
5,159
graphs = [ Graph( let={ "N": Const(8778), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(44100)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_gcd_range_mod_v1
null
5
0
[ "B3" ]
1
0.533
2026-02-08T16:43:56.259405Z
{ "verified": true, "answer": 5159, "timestamp": "2026-02-08T16:43:56.792647Z" }
309042
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 2938 }, "timestamp": "2026-02-17T10:16:19.465Z", "answer": 5159 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6987be
comb_bell_compute_v1_1470522791_9
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 205800$, $\gcd(p, q) = 1$, and $p < q$. Compute the remainder when $44121$ times the $n$-th Bell number is divided by $54305$.
33,225
graphs = [ Graph( let={ "_n": Const(44121), "n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=205800)), Eq(left=GCD(a=Var(name='p'), b=Var(...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_bell_compute_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.003
2026-02-08T12:47:31.261524Z
{ "verified": true, "answer": 33225, "timestamp": "2026-02-08T12:47:31.264865Z" }
5e9e2e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 121, "completion_tokens": 2778 }, "timestamp": "2026-02-15T05:04:45.855Z", "answer": 33225 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
106d0e_n
comb_count_partitions_v1_1218484723_6294
A composer writes a piece made up of rhythmic units of varying lengths that sum to a total duration of $n$ beats, where $n = \sum_{k=0}^{3} 3^k$ (since $\binom{7}{7} - 1 = 0$). The number of distinct ways to arrange the rhythms (ignoring order of equal-length units) is $p(n)$, the partition function. Let $M = p(n)$. Ho...
14,483
COMB
null
COUNT
sympy
SUM_GEOM
[ "SUM_GEOM", "ZERO_BINOM_N" ]
4e18d8
comb_count_partitions_v1
null
3
null
[ "SUM_GEOM", "ZERO_BINOM_N" ]
2
0.003
2026-02-25T07:51:54.262762Z
null
a2db34
106d0e
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 234, "completion_tokens": 3997 }, "timestamp": "2026-03-31T01:06:03.880Z", "answer": 14483 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "SUM_GEOM", "status": "ok" }, { "lemma": ...
{ "lo": -5.37, "mid": 0.23, "hi": 5.22 }
46ab39
diophantine_fbi2_count_v1_2051736721_590
Let $k = 420$. Compute the number of integers $d$ such that $2 \leq d \leq 101$, $d$ divides $k$, $\frac{k}{d} \geq 6$, and $$ \frac{k}{d} \leq \sum_{k_1=1}^{14} \phi(k_1) \left\lfloor \frac{14}{k_1} \right\rfloor. $$
16
graphs = [ Graph( let={ "_n": Const(101), "k": Const(420), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Leq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(6)), Leq(Div(...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
diophantine_fbi2_count_v1
null
5
0
[ "K2" ]
1
0.016
2026-02-08T15:33:01.033288Z
{ "verified": true, "answer": 16, "timestamp": "2026-02-08T15:33:01.048797Z" }
f93072
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 1317 }, "timestamp": "2026-02-16T09:06:03.667Z", "answer": 16 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
fe462f
nt_count_intersection_v1_784195855_1488
Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 25000000$. Let $N$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = s$. Compute the number of positive integers $n$ such that $1 \leq n \leq N$, $11$ divides $n$, and $...
151
graphs = [ Graph( let={ "N": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")), MinOverSet(set=MapOverSet(set=S...
NT
null
COUNT
sympy
B3
[ "B3/COMB1" ]
e26f7e
nt_count_intersection_v1
null
6
0
[ "B3", "COMB1" ]
2
0.165
2026-02-08T05:02:19.762281Z
{ "verified": true, "answer": 151, "timestamp": "2026-02-08T05:02:19.927218Z" }
2c1803
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 224, "completion_tokens": 2948 }, "timestamp": "2026-02-11T22:56:28.450Z", "answer": 151 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, ...
{ "lo": -3.52, "mid": 1.14, "hi": 6.18 }
baabc8
alg_poly_preperiod_count_v1_1419126231_531
For a non-negative integer $a$, define $N = (3a^5 - a^4 + 5a^3 - 1) \bmod 47$, $M = (3N^5 - N^4 + 5N^3 - 1) \bmod 47$, $R = (3M^5 - M^4 + 5M^3 - 1) \bmod 47$, $S = (3R^5 - R^4 + 5R^3 - 1) \bmod 47$, and $T = (3S^5 - S^4 + 5S^3 - 1) \bmod 47$. Find the number of integers $a$ with $0 \leq a \leq 1080$ such that $T = N$, ...
184
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(3), Pow(Var("a"), Const(5))), Mul(Const(-1), Pow(Var("a"), Const(4))), Mul(Const(5), Pow(Var("a"), Const(3))), Const(-1)), modulus=Const(47)), "p2": Mod(value=Sum(Mul(Const(3), Pow(Ref("p1"), Const(5))), Mul(Const(-1), Pow(Ref("p1...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.097
2026-02-25T10:03:40.724932Z
{ "verified": true, "answer": 184, "timestamp": "2026-02-25T10:03:40.821692Z" }
1c2ec9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 309, "completion_tokens": 14029 }, "timestamp": "2026-03-30T08:53:53.974Z", "answer": 184 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
e1668e
comb_count_derangements_v1_124444284_542
Let $u = 9$ and $n_2 = u + 1$. Define $e = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}$. Let $n_1 = \binom{4}{4} - 1 + e$. Define $h = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$. Let $n = 8h$. Compute the subfactorial of $n$, denoted $!n$. Find the value of $!n$.
14,833
graphs = [ Graph( let={ "u": Const(9), "n2": Sum(Ref("u"), Const(1)), "e": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Sum(Sub(Binom(n=Const(4), k=Const(4)), Const(1)), Ref("e")),...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_N" ]
ba7829
comb_count_derangements_v1
null
5
2
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_N" ]
2
0.001
2026-02-08T03:20:56.992904Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T03:20:56.994288Z" }
6ac1b9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 239, "completion_tokens": 517 }, "timestamp": "2026-02-09T18:59:47.547Z", "answer": 14833 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
52187f
alg_poly_orbit_hensel_v1_1218484723_2279
For a non-negative integer $a$, define $N = (a^2 - 2170) \bmod 6241$, $M = (N^2 - 2170) \bmod 6241$, and $R = (M^2 - 2170) \bmod 6241$. Find the number of integers $a$ with $0 \le a \le 11202594$ such that $R = a$, $N \ne a$, and $M \ne a$.
5,385
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-2170)), modulus=Const(6241)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(-2170)), modulus=Const(6241)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(-2170)), modulus=Const(6241)), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_hensel_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.024
2026-02-25T04:07:06.097177Z
{ "verified": true, "answer": 5385, "timestamp": "2026-02-25T04:07:06.120836Z" }
b0ec01
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 218, "completion_tokens": 32768 }, "timestamp": "2026-03-29T03:55:27.247Z", "answer": null }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
73e9d2
antilemma_k2_v1_48377204_1274
Let $x = \sum_{k=1}^{58} \phi(k) \cdot \left\lfloor \frac{58}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function. Compute the remainder when $44121 \cdot x$ is divided by $93928$.
66,847
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(58), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(58), Var("k"))))), "Q": Mod(value=Mul(Const(44121), Ref("x")), modulus=Const(93928)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
6
0
[ "K2" ]
1
0.001
2026-02-08T16:00:19.625894Z
{ "verified": true, "answer": 66847, "timestamp": "2026-02-08T16:00:19.626876Z" }
a73516
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 2063 }, "timestamp": "2026-02-16T18:32:03.672Z", "answer": 66847 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6b4079
sequence_lucas_compute_v1_2051736721_1495
Let $t$ be an integer such that $17 \leq t \leq 77$. Suppose there exist positive integers $a$ and $b$ with $1 \leq a \leq 6$ and $1 \leq b \leq 4$ such that $t = 6a + 10b + 1$. Let $n$ be the number of integers $t$ satisfying these conditions. Compute the $n$-th Lucas number.
64,079
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=6)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_lucas_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.001
2026-02-08T16:04:09.292880Z
{ "verified": true, "answer": 64079, "timestamp": "2026-02-08T16:04:09.294295Z" }
719cdf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 141, "completion_tokens": 2621 }, "timestamp": "2026-02-16T20:43:40.850Z", "answer": 64079 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c08b30
nt_count_divisors_in_range_v1_124444284_6430
Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x,y)$ such that $xy = 176400$. Let $b$ be the number of nonnegative integers $j$ with $0 \leq j \leq 686$ for which $\binom{686}{j}$ is odd. Compute the number of positive divisors $d$ of $n$ such that $1 \leq d \leq b$.
22
graphs = [ Graph( let={ "_n": Const(686), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(176400)))), expr=Sum(Var("x"), Var("y"))))...
NT
null
COUNT
sympy
V8
[ "B3", "V8" ]
5b3848
nt_count_divisors_in_range_v1
null
7
0
[ "B3", "V8" ]
2
0.024
2026-02-08T08:22:59.715014Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T08:22:59.738914Z" }
278e09
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 141, "completion_tokens": 2525 }, "timestamp": "2026-02-13T18:50:12.100Z", "answer": 22 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
f43193
modular_count_residue_v1_1520064083_328
Let $n$ be a positive integer. Define $r$ to be the largest integer $k$ such that $47^k$ divides the number of positive integers $n \leq 24309$ satisfying $$ n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}. $$ Let $S$ be the set of all positive integers $n \leq 87616$ such that $n \equiv r \pmod{11}$. The num...
27,004
graphs = [ Graph( let={ "_n": Const(47), "upper": Const(87616), "m": Const(11), "r": MaxKDivides(target=Mul(CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(24309)), Congruent(a=Var(name='n'), b=Floor(arg=D...
NT
null
COUNT
sympy
L3C
[ "L3C/K13" ]
338801
modular_count_residue_v1
null
6
0
[ "K13", "L3C" ]
2
10.105
2026-02-08T03:15:19.713496Z
{ "verified": true, "answer": 27004, "timestamp": "2026-02-08T03:15:29.818783Z" }
0e0fa5
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 245, "completion_tokens": 697 }, "timestamp": "2026-02-17T22:23:51.095Z", "answer": 27004 } ]
2
[ { "lemma": "K13", "status": "ok_later" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "le...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
37ea21
antilemma_k3_v1_124444284_730
Let $n = 29790$. Compute the sum $$ \sum_{d \mid n} \phi(d), $$ where $\phi$ denotes Euler's totient function and the sum is taken over all positive divisors $d$ of $n$.
29,790
graphs = [ Graph( let={ "_n": Const(29790), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0
2026-02-08T03:28:42.312064Z
{ "verified": true, "answer": 29790, "timestamp": "2026-02-08T03:28:42.312498Z" }
301ca4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 351 }, "timestamp": "2026-02-09T21:10:08.171Z", "answer": 29790 }, { "i...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -5.55, "mid": -3.02, "hi": 0.31 }
0c2cb4
nt_sum_totient_over_divisors_v1_677425708_557
Let $T$ be the set of all integers $t$ such that $9 \leq t \leq 6262$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 842$, $1 \leq b \leq 184$, and $t = 7a + 2b$. Let $n$ be the number of elements in $T$. Compute $$\sum_{d \mid n} \phi(d),$$ where the sum is over all positive divisors $d$ of $n$, and...
6,248
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=842)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_totient_over_divisors_v1
null
6
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T03:35:53.341030Z
{ "verified": true, "answer": 6248, "timestamp": "2026-02-08T03:35:53.344490Z" }
d8b284
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 246, "completion_tokens": 8106 }, "timestamp": "2026-02-08T20:45:56.237Z", "answer": 6093 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
0a1c65
nt_num_divisors_compute_v1_971394319_1459
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 72$, $\gcd(p, q) = 1$, and $p < q$. Let $k$ be the number of elements in $S$. Let $d_{\text{min}}$ be the smallest divisor of $7527397589$ that is at least $k$. Let $r$ be the number of positive divisors of $d_...
3
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=72)), Eq(left=GCD(a=Var(name='p'), b=Var(name='q')), right=Const(value=1)), ...
NT
null
COMPUTE
sympy
B3
[ "COPRIME_PAIRS/MIN_PRIME_FACTOR" ]
52cee2
nt_num_divisors_compute_v1
null
5
0
[ "B3", "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
3
0.069
2026-02-08T13:41:59.833585Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T13:41:59.903084Z" }
860c74
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 3657 }, "timestamp": "2026-02-15T19:41:33.008Z", "answer": 3 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7",...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
a0894e
antilemma_sum_equals_v1_1470522791_1785
Let $d = 73$. Define $c$ to be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = d$ and $1 \leq i, j \leq 72$. Define $m$ to be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = c$ and $1 \leq i, j \leq 71$. Define $n$ to be the number of ordered pairs $(i,j)$ of posi...
18
graphs = [ Graph( let={ "_d": Const(73), "_c": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_d")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(72)), right=IntegerRange(start=Const(1), end=Co...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ae9919
antilemma_sum_equals_v1
null
6
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.294
2026-02-08T13:57:48.032993Z
{ "verified": true, "answer": 18, "timestamp": "2026-02-08T13:57:48.326533Z" }
6ff171
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 332, "completion_tokens": 1896 }, "timestamp": "2026-02-24T19:27:26.496Z", "answer": 18 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no...
{ "lo": -2.37, "mid": 1.22, "hi": 4.84 }
a29012
nt_count_intersection_v1_2051736721_2137
Let $N = 50000$ and $a = 9$. Let $s$ be the sum $\sum_{k=0}^{3} (-1)^k \binom{3}{k}$. Let $t_{\text{max}}$ be the number of integers $t$ such that $20 \leq t \leq 8530$ and there exist positive integers $a'$ and $b'$ with $1 \leq a' \leq 185$, $1 \leq b' \leq 990$, and $t = 14a' + 6b'$. Let $b$ be the number of nonnega...
2,778
graphs = [ Graph( let={ "_n": Const(2), "N": Const(50000), "a": Const(9), "b": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Summation(var="k", start=Const(0), end=Const(3), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Const(3), k=Var("...
COMB
NT
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "LIN_FORM/V8", "B3/V8" ]
1ddcd8
nt_count_intersection_v1
null
7
0
[ "B3", "BINOMIAL_ALTERNATING", "LIN_FORM", "V8" ]
4
1.782
2026-02-08T16:30:01.561067Z
{ "verified": true, "answer": 2778, "timestamp": "2026-02-08T16:30:03.343329Z" }
ad632a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 284, "completion_tokens": 6292 }, "timestamp": "2026-02-17T05:23:05.929Z", "answer": 2778 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "stat...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
00aa69
nt_lcm_compute_v1_1431428450_74
Let $a = 1476$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 284089$. Define $b$ to be the minimum value of $x + y$ over all pairs $(x, y) \in S$. Compute the least common multiple of $a$ and $b$.
19,188
graphs = [ Graph( let={ "a": Const(1476), "b": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(284089)))), expr=Sum(Var("x"), Var("y"))))...
NT
null
COMPUTE
sympy
COMB1
[ "B3" ]
0cd20d
nt_lcm_compute_v1
null
4
0
[ "B3", "COMB1" ]
2
0.006
2026-02-08T13:10:45.071544Z
{ "verified": true, "answer": 19188, "timestamp": "2026-02-08T13:10:45.077782Z" }
33830f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 123, "completion_tokens": 915 }, "timestamp": "2026-02-15T11:05:30.903Z", "answer": 19188 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
031b78
nt_num_divisors_compute_v1_898971024_742
Let $P(x) = x^2 - 9x - 1170$. Let $s$ be the sum of all roots of $P(x) = 0$. Let $n$ be the minimum value of $x_1 + y$ over all pairs of positive integers $(x_1, y)$ such that $x_1 y = s$. Let $d$ be the number of positive divisors of $n$. Compute $77284 - d$.
77,280
graphs = [ Graph( let={ "_n": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-9), Var("x")), Const(-1170)), Const(0)))), "n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("y")]), condition=And(IsPositive(...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM/B3" ]
d036a4
nt_num_divisors_compute_v1
null
5
0
[ "B3", "VIETA_SUM" ]
2
0.003
2026-02-08T15:37:41.168860Z
{ "verified": true, "answer": 77280, "timestamp": "2026-02-08T15:37:41.172058Z" }
689c7b
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 333 }, "timestamp": "2026-02-16T06:09:57.578Z", "answer": 77280 }, { "id": 11, ...
2
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }, { ...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
67a1f9
comb_binomial_compute_v1_349078426_1171
Let $a = 1$ and $b = 2$. Define $n_2 = a + b$. Let $m = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}$ and $h = \sum_{k=0}^{0} (-1)^k \binom{0}{k}$. Let $n = 14 + m$ and $k = 7$. Define $Q = 49729 \cdot h - \binom{n}{k}$. Find the value of $Q$.
46,297
graphs = [ Graph( let={ "a": Const(1), "b": Const(2), "n2": Sum(Ref("a"), Ref("b")), "m": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Const(0), "h": Summat...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_binomial_compute_v1
null
4
2
[ "BINOMIAL_ALTERNATING" ]
1
0.002
2026-02-08T13:27:15.372926Z
{ "verified": true, "answer": 46297, "timestamp": "2026-02-08T13:27:15.374873Z" }
99db2f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 233, "completion_tokens": 627 }, "timestamp": "2026-02-24T18:23:01.531Z", "answer": 46297 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "stat...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
ea7c1f
nt_count_divisors_in_range_v1_677425708_1245
Let $n = 10080$, $a = 6$, and $b = 511$. Determine the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$. Let $k$ be the absolute value of this count. Compute the sum $$ \sum_{m=1}^{k} \varphi(m), $$ where $\varphi$ denotes Euler's totient function.
830
graphs = [ Graph( let={ "n": Const(10080), "a": Const(6), "b": Const(511), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Divides(divisor=Var("d"), dividend=Ref("n")), Geq(Var("d"), Ref("a")), Leq(Var("d"), Ref("b"))))), "Q": S...
NT
null
COUNT
sympy
ONE_PHI_1
[ "ONE_PHI_1" ]
f6b5a5
nt_count_divisors_in_range_v1
null
5
0
[ "ONE_PHI_1" ]
1
0.009
2026-02-08T04:02:56.412831Z
{ "verified": true, "answer": 830, "timestamp": "2026-02-08T04:02:56.421585Z" }
9ab0b5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 4224 }, "timestamp": "2026-02-09T17:28:37.061Z", "answer": 830 }, { "id...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
821669
antilemma_k2_v1_1918700295_120
Compute the value of $$ \sum_{k=1}^{353} \phi(k) \left\lfloor \frac{353}{k} \right\rfloor, $$ where $\phi(k)$ denotes Euler's totient function.
62,481
graphs = [ Graph( let={ "_n": Const(353), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(353), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
6
0
[ "K2" ]
1
0.001
2026-02-08T03:00:41.354614Z
{ "verified": true, "answer": 62481, "timestamp": "2026-02-08T03:00:41.355294Z" }
610e74
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 947 }, "timestamp": "2026-02-10T12:35:37.188Z", "answer": 62481 }, { "i...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.47, "mid": 0.81, "hi": 4.81 }
21c3c3
antilemma_k2_v1_124444284_6576
Let $n = 340$. Compute the value of $$\sum_{k=1}^{340} \phi(k) \left\lfloor \frac{1}{k} \sum_{d \mid n} \phi(d) \right\rfloor,$$ where $\phi$ denotes Euler's totient function.
57,970
graphs = [ Graph( let={ "_n": Const(340), "x": Summation(var="k", start=Const(1), end=Const(340), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K13
[ "K3/K2", "K2" ]
c7f244
antilemma_k2_v1
null
7
0
[ "K13", "K2", "K3" ]
3
0.002
2026-02-08T08:32:28.990691Z
{ "verified": true, "answer": 57970, "timestamp": "2026-02-08T08:32:28.992238Z" }
0a3c8b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 1460 }, "timestamp": "2026-02-13T19:21:05.087Z", "answer": 57970 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
420478
nt_min_phi_inverse_v1_1978505735_224
Let $n = 2$, $k = 16$, and $\text{upper} = 70$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 70$ and $\varphi(n) = 16$, where $\varphi$ denotes Euler's totient function. Let $r$ be the minimum element of $S$. Define \[ Q = \sum_{i=0}^{d-1} \left( \text{digit}_i(r) \cdot (i+1)^2 \right) + \su...
6,006
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(70), "k": Const(16), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(EulerPhi(n=Var("n")), Ref("k"))))), "Q": Sum(Summ...
NT
null
EXTREMUM
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
2c0c6e
nt_min_phi_inverse_v1
digits_weighted_mod
5
0
[ "SUM_ARITHMETIC" ]
1
0.009
2026-02-08T15:13:59.203412Z
{ "verified": true, "answer": 6006, "timestamp": "2026-02-08T15:13:59.212293Z" }
653c7f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 238, "completion_tokens": 1980 }, "timestamp": "2026-02-16T02:08:15.628Z", "answer": 6006 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V1", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
69d2aa
nt_count_divisible_and_v1_784195855_8952
Let $d_1 = 9$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 36$. Let $d_2$ be the minimum value of $x + y$ over all pairs $(x,y) \in S$. Compute the number of positive integers $n$ such that $1 \le n \le 11124$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$.
309
graphs = [ Graph( let={ "upper": Const(11124), "d1": Const(9), "d2": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(36)))), ...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_divisible_and_v1
null
3
0
[ "B3" ]
1
0.379
2026-02-08T16:25:45.241447Z
{ "verified": true, "answer": 309, "timestamp": "2026-02-08T16:25:45.620390Z" }
139218
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 406 }, "timestamp": "2026-02-16T07:24:49.536Z", "answer": 309 }, { "id": 11, ...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", ...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
c446a3
nt_num_divisors_compute_v1_168721529_1683
Let $n_1 = 67$ and $w = \lambda(n_1) + 1$, where $\lambda$ denotes the Liouville function. Let $d_{\max}$ be the largest positive divisor of $6059$ that is at most $73$. Define $p = d_{\max} + w$. Let $f = \Omega(p)$, the number of prime factors of $p$ counted with multiplicity. Define $n = 99f$ and let $r = \tau(n)$, ...
6
graphs = [ Graph( let={ "_n": Const(73), "n1": Const(67), "w": Sum(LiouvilleLambda(n=Ref(name='n1')), Const(1)), "p": Sum(MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), divid...
NT
null
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR/LIOUVILLE_MINUS_ONE/BIG_OMEGA_ONE" ]
9f27a6
nt_num_divisors_compute_v1
null
5
2
[ "BIG_OMEGA_ONE", "LIOUVILLE_MINUS_ONE", "MAX_DIVISOR" ]
3
0.006
2026-02-08T13:50:43.565596Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T13:50:43.571388Z" }
be5e9f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 257, "completion_tokens": 1006 }, "timestamp": "2026-02-09T20:19:42.789Z", "answer": 6 }, { "id":...
2
[ { "lemma": "BIG_OMEGA_ONE", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIOUVILLE_MINUS_ONE", "st...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
4a97d0
comb_count_permutations_fixed_v1_898971024_2079
Let $n$ be the largest prime number such that $2 \leq n \leq 12$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $x + y = 6$. Define $k$ to be the maximum value of $xy$ over all pairs $(x,y) \in S$. Compute $$ \binom{n}{k} \cdot !(n - k), $$ where $!m$ denotes the number of derangements ...
55
graphs = [ Graph( let={ "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_n")), Leq(Var("n1"), Const(12)), IsPrime(Var("n1"))))), "k": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), con...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "B1" ]
7086d0
comb_count_permutations_fixed_v1
null
6
0
[ "B1", "MAX_PRIME_BELOW" ]
2
0.005
2026-02-08T16:31:40.462038Z
{ "verified": true, "answer": 55, "timestamp": "2026-02-08T16:31:40.466956Z" }
49b4f6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 155, "completion_tokens": 533 }, "timestamp": "2026-02-17T06:41:59.255Z", "answer": 55 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "statu...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f4af21
antilemma_sum_primes_v1_1742523217_104
Let $S$ be the set of all nonnegative integers $j$ with $0 \leq j \leq 2080$ such that $\binom{2080}{j} \equiv 1 \pmod{2}$. Let $T$ be the set of all prime numbers $n$ such that $2 \leq n \leq |S|$. Let $x$ be the sum of all elements in $T$. Compute the remainder when $29773x$ is divided by 53579.
41,707
graphs = [ Graph( let={ "_n": Const(2), "x": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(2080)), Eq(Mod(value=Binom(n=Const(2080)...
NT
null
COMPUTE
sympy
V8
[ "V8/SUM_PRIMES", "SUM_PRIMES" ]
4a3626
antilemma_sum_primes_v1
null
6
0
[ "SUM_PRIMES", "V8" ]
2
0.003
2026-02-08T02:53:10.463777Z
{ "verified": true, "answer": 41707, "timestamp": "2026-02-08T02:53:10.466750Z" }
399a20
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 795 }, "timestamp": "2026-02-09T13:47:24.770Z", "answer": 41707 }, { "i...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "SUM_PRIMES", ...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
31ac9d
nt_count_coprime_and_v1_124444284_9158
Let $A$ be the set of all positive integers $d$ such that $d \geq 2$ and $d$ divides $4725$. Define $k_1$ to be the minimum element of $A$, and let $k_2 = 7$. Let $U = 34104$. Define $S$ as the set of all positive integers $n$ such that $1 \leq n \leq U$, $\gcd(n, k_1) = 1$, and $\gcd(n, k_2) = 1$. Let $Q = (44121 \cdo...
40,092
graphs = [ Graph( let={ "upper": Const(34104), "k1": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(4725))))), "k2": Const(7), "result": CountOverSet(set=SolutionsSet(var=Var("n"), cond...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_count_coprime_and_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
5.159
2026-02-08T12:15:07.984086Z
{ "verified": true, "answer": 40092, "timestamp": "2026-02-08T12:15:13.142755Z" }
52f25e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 188, "completion_tokens": 2430 }, "timestamp": "2026-02-14T23:29:44.415Z", "answer": 40092 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
a11ea4
sequence_fibonacci_compute_v1_48377204_2777
Let $S$ be the set of all ordered pairs $(k, j)$ of integers with $1 \leq k \leq 6$ and $1 \leq j \leq 7$. Define $n = \frac{7}{49} \sum_{(k,j) \in S} k$. Compute the $n$-th Fibonacci number, where the Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $F_m = F_{m-1} + F_{m-2}$ for $m \geq 3$.
10,946
graphs = [ Graph( let={ "n": Div(Mul(Const(7), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(6)), right=IntegerRange(start=Const(1), end=Const(7)))), expr=Var("k")))), ...
NT
null
COMPUTE
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT", "SUM_ARITHMETIC" ]
9f7183
sequence_fibonacci_compute_v1
null
2
0
[ "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
2
0.002
2026-02-08T16:57:28.022510Z
{ "verified": true, "answer": 10946, "timestamp": "2026-02-08T16:57:28.024263Z" }
8d2cbb
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 718 }, "timestamp": "2026-02-17T15:49:48.996Z", "answer": 10946 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "SUM_INDEPENDENT", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
95c429
nt_count_divisible_and_v1_1353956133_415
Let $d_1 = 6$ and let $$ d_2 = \sum_{k=1}^{4} \varphi(k) \left\lfloor \frac{4}{k} \right\rfloor, $$ where $\varphi$ denotes Euler's totient function. Determine the number of positive integers $n$ such that $n \leq 122370$, $n$ is divisible by $d_1$, and $n$ is divisible by $d_2$.
4,079
graphs = [ Graph( let={ "upper": Const(122370), "d1": Const(6), "d2": Summation(var="k", start=Const(1), end=Const(4), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(4), Var("k"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var(...
NT
null
COUNT
sympy
K2
[ "K2" ]
6897ab
nt_count_divisible_and_v1
null
4
0
[ "K2" ]
1
4.475
2026-02-08T11:26:18.188387Z
{ "verified": true, "answer": 4079, "timestamp": "2026-02-08T11:26:22.663772Z" }
340f6c
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 561 }, "timestamp": "2026-02-15T22:01:45.123Z", "answer": 4079 }, { "id": 11, ...
2
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
aa92cb
comb_catalan_compute_v1_898971024_227
Let $N$ be the number of integers $t$ such that $18\le t\le88$ and there exist integers $a$ and $b$ with $1\le a\le6$, $1\le b\le4$, and $$t=8a+10b.$$ Let $n=11$, and let $$C_{n}$$ be the $n$th Catalan number. Define $R=C_{n}$. Let $S$ be the number of ordered pairs $(x_1,x_2)$ of positive odd integers such that $$x_...
2
graphs = [ Graph( let={ "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=6)), Geq(left=Var(name='b'), right=Const(value=...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COMB1/COUNT_SUM_EQUALS" ]
2d95e6
comb_catalan_compute_v1
bell_mod
7
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
0.095
2026-02-08T15:18:17.636497Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T15:18:17.731348Z" }
c093b8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 380, "completion_tokens": 1444 }, "timestamp": "2026-02-24T20:24:16.437Z", "answer": 2 }, { "id":...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "stat...
{ "lo": -2.43, "mid": 1.2, "hi": 4.84 }
cd90b0
modular_mod_compute_v1_2051736721_828
Let $a = 47961$. Let $m$ be the number of nonnegative integers $j$ such that $0 \le j \le 97758$ and $\binom{97758}{j}$ is odd. Compute the remainder when $a$ is divided by $m$.
7,001
graphs = [ Graph( let={ "a": Const(47961), "m": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(97758)), Eq(Mod(value=Binom(n=Const(97758), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), ...
ALG
COMB
COMPUTE
sympy
V8
[ "V8" ]
86348e
modular_mod_compute_v1
null
5
0
[ "V8" ]
1
0.004
2026-02-08T15:41:53.008649Z
{ "verified": true, "answer": 7001, "timestamp": "2026-02-08T15:41:53.012518Z" }
d09428
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 171, "completion_tokens": 1082 }, "timestamp": "2026-02-24T18:19:41.349Z", "answer": 7001 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
57ce9c
diophantine_fbi2_min_v1_151522320_1256
Let $k = 360$. Compute the smallest positive integer $d$ such that $3 \leq d \leq 370$, $d$ divides $k$, and $\frac{k}{d} \geq 5$.
3
graphs = [ Graph( let={ "k": Const(360), "a": Const(2), "b": Const(4), "upper": Const(370), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=R...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "B3" ]
0cd20d
diophantine_fbi2_min_v1
null
3
0
[ "B3", "LIN_FORM" ]
2
0.068
2026-02-08T03:51:42.904251Z
{ "verified": true, "answer": 3, "timestamp": "2026-02-08T03:51:42.972242Z" }
ecf50b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 159, "completion_tokens": 361 }, "timestamp": "2026-02-10T15:54:42.145Z", "answer": 3 }, { "id": ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
40db56
geo_count_lattice_triangle_v1_784195855_8327
Let $A = 128$ and $B = 324$. Let $P$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = N$, where $N$ is the number of positive integers $p$ for which there exists a positive integer $q > p$ with $pq = 22777695978964576650$ and $\gcd(p, q) = 1$. Let $s = x + y$ over all such pairs $(x, y) \in...
9,329
graphs = [ Graph( let={ "_c": Const(190), "_m": Const(190), "_n": Const(120), "area_2x": Abs(arg=Sum(Mul(Const(value=128), Const(value=324)), Mul(Ref(name='_n'), Sub(left=Const(value=0), right=Const(value=190))))), "boundary": Sum(GCD(a=Abs(arg=Con...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/B3", "LIN_FORM" ]
08b7b0
geo_count_lattice_triangle_v1
null
7
0
[ "B3", "COPRIME_PAIRS", "LIN_FORM" ]
3
0.016
2026-02-08T16:00:45.495008Z
{ "verified": true, "answer": 9329, "timestamp": "2026-02-08T16:00:45.510786Z" }
3cbf48
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 322, "completion_tokens": 6014 }, "timestamp": "2026-02-16T19:06:19.418Z", "answer": 9329 }, {...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" },...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c46ded
algebra_poly_eval_v1_1439011603_455
Let $ z = 25 $. Consider the set of all integers $ t $ such that $ 8 \leq t \leq 182 $ and there exist positive integers $ a $ and $ b $ with $ 1 \leq a \leq 7 $, $ 1 \leq b \leq 49 $, and $ t = 5a + 3b $. Let $ d_1, d_2, \dots, d_k $ be the positive divisors of the number of elements in this set. Define $ S = \sum_{i=...
731
graphs = [ Graph( let={ "_n": Const(10), "z": Const(25), "result": Div(Sum(Mul(Const(7), Pow(Ref("z"), Const(3))), Mul(Const(20), Pow(Ref("z"), Const(2))), Mul(Ref("_n"), Ref("z")), Const(-48)), SumOverDivisors(n=CountOverSet(set=SolutionsSet(var=Var(name='t'), condition=...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/K3" ]
c7df50
algebra_poly_eval_v1
null
6
0
[ "K3", "LIN_FORM" ]
2
0.005
2026-02-08T15:30:16.684942Z
{ "verified": true, "answer": 731, "timestamp": "2026-02-08T15:30:16.690200Z" }
d3e040
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 4350 }, "timestamp": "2026-02-16T07:49:39.846Z", "answer": 731 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K3", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
420a6c
antilemma_k3_v1_865884756_6376
Let $n = 75295$. Compute the sum of $\phi(d)$ over all positive divisors $d$ of $n$.
75,295
graphs = [ Graph( let={ "_n": Const(75295), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T19:10:10.682924Z
{ "verified": true, "answer": 75295, "timestamp": "2026-02-08T19:10:10.683597Z" }
a05f72
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 74, "completion_tokens": 387 }, "timestamp": "2026-02-18T21:27:21.605Z", "answer": 75295 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
950997
lte_diff_endings_v1_168721529_246
Let $a = 41$, $b = 11$, $p = 5$, and $n = 95165$. Let $C$ be the largest integer $k$ such that $p^k$ divides $a - b$. Let $F = n!$, and let $v$ be the largest integer $k$ such that $p^k$ divides $F$. Define $T = n \cdot C + v$. Find the remainder when $T$ is divided by $100000$.
18,954
graphs = [ Graph( let={ "a_val": Const(41), "b_val": Const(11), "p_val": Const(5), "n_val": Const(95165), "ab_diff": Sub(Ref("a_val"), Ref("b_val")), "vp_ab": MaxKDivides(target=Ref("ab_diff"), base=Ref("p_val")), "n_times_C...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "LTE_DIFF" ]
cf8260
lte_diff_endings_v1
null
6
null
[ "LTE_DIFF" ]
1
0.001
2026-02-08T12:55:46.935142Z
{ "verified": true, "answer": 18954, "timestamp": "2026-02-08T12:55:46.935882Z" }
418eb2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 221, "completion_tokens": 1564 }, "timestamp": "2026-02-09T02:51:26.901Z", "answer": 18953 }, { ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -2.06, "mid": 1.85, "hi": 5.2 }
fb198b
algebra_poly_eval_v1_124444284_10286
Let $z = 21$. Compute the value of the expression $$ 16z^5 + 8z^4 - 143z^3 + 23z^2 + 316z - 220. $$ divided by the number of integers $t$ such that $8 \leq t \leq 7520$ and $t = 5a + 3b$ for some integers $a$ and $b$ with $1 \leq a \leq 1474$ and $1 \leq b \leq 50$. Let $\text{result}$ be this quotient. Find the remain...
76,140
graphs = [ Graph( let={ "_n": Const(8), "z": Const(21), "result": Div(Sum(Mul(Const(16), Pow(Ref("z"), Const(5))), Mul(Ref("_n"), Pow(Ref("z"), Const(4))), Mul(Const(-143), Pow(Ref("z"), Const(3))), Mul(Const(23), Pow(Ref("z"), Const(2))), Mul(Const(316), Ref("z")), Const...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
algebra_poly_eval_v1
null
5
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T12:56:24.376270Z
{ "verified": true, "answer": 76140, "timestamp": "2026-02-08T12:56:24.379457Z" }
c397a2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 4415 }, "timestamp": "2026-02-15T07:50:49.341Z", "answer": 76140 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
4515f6
algebra_poly_eval_v1_238844314_603
Compute the value of $$7 \cdot 9^4 + 10 \cdot 9^{\sum_{k=1}^{2} \phi(k) \left\lfloor \frac{2}{k} \right\rfloor} + 7 \cdot 9^2 - 2 \cdot 9 - 8.$$
53,758
graphs = [ Graph( let={ "_n": Const(2), "z": Const(9), "result": Sum(Mul(Const(7), Pow(Ref("z"), Const(4))), Mul(Const(10), Pow(Ref("z"), Summation(var="k", start=Const(1), end=Const(2), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(2), Var("k"))))))), Mul(Const(7), Pow(...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
algebra_poly_eval_v1
null
2
0
[ "K2" ]
1
0.002
2026-02-08T13:25:39.941538Z
{ "verified": true, "answer": 53758, "timestamp": "2026-02-08T13:25:39.943535Z" }
d372c6
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 128, "completion_tokens": 351 }, "timestamp": "2026-02-16T04:35:16.000Z", "answer": 5360398 }, { "id": ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
11dca0
lin_form_endings_v1_1520064083_9920
Let $a_{\text{coeff}} = 50$ and $b_{\text{coeff}} = 30$. Define $\text{step} = \gcd(a_{\text{coeff}}, b_{\text{coeff}})$. Let $k_{\text{val}} = 132$. Compute $$ \left\lfloor \frac{k_{\text{val}}}{\gcd(k_{\text{val}}, \text{step})} \right\rfloor. $$ Multiply this result by 17000, and then find the remainder when this pr...
32,295
graphs = [ Graph( let={ "a_coeff": Const(50), "b_coeff": Const(30), "k_val": Const(132), "step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_inner_result": Floor(Div(Ref("k_val"), GCD(a=Ref("k_val"), b=Ref("step")))), "_scale_k": Const(1...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T11:02:47.386330Z
{ "verified": true, "answer": 32295, "timestamp": "2026-02-08T11:02:47.386839Z" }
b0cc8d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 478 }, "timestamp": "2026-02-14T10:11:30.568Z", "answer": 32295 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
efaac7
nt_count_divisors_in_range_v1_1978505735_785
Let $n = 45360$ and $a = 11$. Let $b$ be the number of positive integers $n_1$ such that $1 \leq n_1 \leq 121080$ and $14$ divides the $n_1$-th Fibonacci number. Determine the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$. Let $c = 26569$. Compute $c$ minus this count. Find the value of this result...
26,487
graphs = [ Graph( let={ "_n": Const(14), "n": Const(45360), "a": Const(11), "b": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(1)), Leq(Var("n1"), Const(121080)), Divides(divisor=Ref("_n"), dividend=Fibonacci(arg=Var(name='n1'...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
nt_count_divisors_in_range_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.082
2026-02-08T15:35:37.356017Z
{ "verified": true, "answer": 26487, "timestamp": "2026-02-08T15:35:37.437586Z" }
e3fd0f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 2459 }, "timestamp": "2026-02-16T09:50:34.554Z", "answer": 26487 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
704beb
nt_max_prime_below_v1_124444284_3483
Let $p$ and $q$ be positive integers such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of such integers $p$. Let $S$ be the set of all prime numbers $n$ such that $m \leq n \leq 11351$. Determine the value of the largest element in $S$.
11,351
graphs = [ Graph( let={ "upper": Const(11351), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
1.289
2026-02-08T05:25:23.475806Z
{ "verified": true, "answer": 11351, "timestamp": "2026-02-08T05:25:24.764511Z" }
3f2dbc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 133, "completion_tokens": 1300 }, "timestamp": "2026-02-12T08:32:41.528Z", "answer": 11351 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -5.92, "mid": -3.14, "hi": 0.26 }
d51ac0
algebra_poly_eval_v1_601307018_6056
Let $D = \max \{ d \ge 1 : d \mid 4204544 \text{ and } d^2 \le 4204544 \}$. Find the number $n$ of ordered pairs $(a, b)$ of positive integers with $1 \le a \le b \le 20$ such that $32a^2 - 64ab + 32b^2 = D$. Let $R = 2n^4 + n^3 + 3n^2 + 4n + 7$. Compute $R$.
43,687
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(20)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(20)), Leq(Var("a"), Var("b"))...
NT
null
COMPUTE
sympy
B3_CLOSEST
[ "B3_CLOSEST/QF_PSD_ORBIT" ]
82592c
algebra_poly_eval_v1
null
5
0
[ "B3_CLOSEST", "QF_PSD_ORBIT" ]
2
0.011
2026-03-10T06:39:05.650863Z
{ "verified": true, "answer": 43687, "timestamp": "2026-03-10T06:39:05.662301Z" }
2bddc4
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 230, "completion_tokens": 1802 }, "timestamp": "2026-04-19T03:29:20.576Z", "answer": 43687 }, { ...
1
[ { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok_later" }, { "lemma": "V8", "status": "no...
{ "lo": -5.35, "mid": 0.52, "hi": 5.84 }
6fb9cb
sequence_fibonacci_compute_v1_655260480_5749
Let $\_n = 72712$. Let $S$ be the set of all integers $t$ such that $7 \leq t \leq 30$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 4$, and $t = 2a + 5b$. Let $n$ be the number of elements in $S$. Define $\text{result} = F_n$, the $n$-th Fibonacci number. Compute the remainder wh...
68,517
graphs = [ Graph( let={ "_n": Const(72712), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=5)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T18:38:45.100174Z
{ "verified": true, "answer": 68517, "timestamp": "2026-02-08T18:38:45.102377Z" }
588349
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 193, "completion_tokens": 2641 }, "timestamp": "2026-02-18T18:17:32.916Z", "answer": 68517 }, ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
194f30
comb_count_permutations_fixed_v1_898971024_88
Compute $\binom{10}{6} \cdot !4$, where $!4$ denotes the number of derangements of four elements.
1,890
graphs = [ Graph( let={ "n": Const(10), "k": Const(6), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), }, goal=Ref("result"), ) ]
COMB
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/L3B/B1" ]
2f3b2a
comb_count_permutations_fixed_v1
null
3
0
[ "B1", "L3B", "MAX_PRIME_BELOW" ]
3
0.018
2026-02-08T15:10:52.454243Z
{ "verified": true, "answer": 1890, "timestamp": "2026-02-08T15:10:52.471767Z" }
74b678
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 415 }, "timestamp": "2026-02-24T20:01:20.380Z", "answer": 1890 }, { "id...
2
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3B", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status...
{ "lo": -10, "mid": -7.42, "hi": -4.85 }
f510cf
geo_visible_lattice_v1_2051736721_1275
Let $n = 199$. Define $L$ to be the number of ordered pairs $(x, y)$ of positive integers with $1 \le x, y \le 199$ such that $\gcd(x, y) = 1$. Let $k = |L| \bmod 11$. Compute the $k$-th Bell number, where the Bell numbers count the number of partitions of a set of size $k$. Find the value of this Bell number.
15
graphs = [ Graph( let={ "n": Const(199), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=Const(11))), }, goal=Ref("Q"), ) ]
GEOM
COMB
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
0
null
null
5.984
2026-02-08T15:55:25.201441Z
{ "verified": true, "answer": 15, "timestamp": "2026-02-08T15:55:31.185712Z" }
f4ca5a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 210, "completion_tokens": 18740 }, "timestamp": "2026-02-24T19:22:04.667Z", "answer": 15 }, { "i...
1
[]
{ "lo": 1.98, "mid": 5.23, "hi": 8.52 }
264470
nt_count_phi_equals_v1_1520064083_9190
Let $P$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 118$. Let $k = 592$. Determine the number of positive integers $n$ such that $1 \leq n \leq P$ and $\phi(n) = k$, where $\phi$ denotes Euler's totient function.
6
graphs = [ Graph( let={ "upper": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(118)))), expr=Mul(Var("x"), Var("y")))), "k": Const(592)...
NT
null
COUNT
sympy
B3
[ "B1" ]
5b950e
nt_count_phi_equals_v1
null
7
0
[ "B1", "B3" ]
2
2.881
2026-02-08T10:35:35.433484Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T10:35:38.314511Z" }
cca792
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 125, "completion_tokens": 5177 }, "timestamp": "2026-02-14T07:52:35.209Z", "answer": 6 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status"...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
0ab97d
comb_count_permutations_fixed_v1_601307018_1099
Let $D_n$ denote the number of derangements of $n$ elements. Compute $\binom{7}{k} \cdot D_{7 - k}$ where $k = \binom{12}{0} - 1$.
1,854
graphs = [ Graph( let={ "n": Const(7), "k": Sub(Binom(n=Const(12), k=Const(0)), Const(1)), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), }, goal=Ref("result"), ) ]
COMB
null
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "ZERO_BINOM_0" ]
fb90f6
comb_count_permutations_fixed_v1
null
3
0
[ "POLY_ORBIT_LEGENDRE", "ZERO_BINOM_0" ]
2
0.013
2026-03-10T01:40:37.846687Z
{ "verified": true, "answer": 1854, "timestamp": "2026-03-10T01:40:37.859942Z" }
0649f3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 161, "completion_tokens": 896 }, "timestamp": "2026-03-29T01:11:43.538Z", "answer": 1854 }, { "id...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "ZERO_BINOM_0", "st...
{ "lo": -4.31, "mid": -1.92, "hi": 0.62 }
82ac52
modular_sum_quadratic_residues_v1_153355830_336
Let $ n = 4 $ and let $ p $ be the smallest prime divisor of $ 1342553 $. Compute the value of $ \frac{p(p-1)}{n} $.
2,943
graphs = [ Graph( let={ "_n": Const(4), "p": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(1342553))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Ref("_n")), }, goal=R...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
modular_sum_quadratic_residues_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.001
2026-02-08T03:02:47.618018Z
{ "verified": true, "answer": 2943, "timestamp": "2026-02-08T03:02:47.619112Z" }
99af7a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 1686 }, "timestamp": "2026-02-10T12:38:21.623Z", "answer": 2943 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }...
{ "lo": 1.1, "mid": 4.17, "hi": 6.61 }
24a40a
antilemma_k3_v1_784195855_5129
Let $n = 36955$. Compute the sum $\sum_{d \mid n} \phi(d)$, where $\phi$ denotes Euler's totient function.
36,955
graphs = [ Graph( let={ "_n": Const(36955), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0
2026-02-08T07:41:47.747324Z
{ "verified": true, "answer": 36955, "timestamp": "2026-02-08T07:41:47.747664Z" }
a5cf94
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 80, "completion_tokens": 638 }, "timestamp": "2026-02-13T11:42:45.221Z", "answer": 36955 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
222e42
nt_count_divisors_in_range_v1_898971024_375
Let $a$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 12$, $\gcd(p, q) = 1$, and $p < q$. Let $b$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 131769$. Let $r$ be the number of positive divisors $d$ of $10080$ such th...
65,476
graphs = [ Graph( let={ "n": Const(10080), "a": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=12)), Eq(left=GCD(a=Var(name='p'), b=Var(name=...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "B3" ]
1999ea
nt_count_divisors_in_range_v1
null
6
0
[ "B3", "COPRIME_PAIRS" ]
2
0.015
2026-02-08T15:25:09.916033Z
{ "verified": true, "answer": 65476, "timestamp": "2026-02-08T15:25:09.931340Z" }
42f9e2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 164, "completion_tokens": 2144 }, "timestamp": "2026-02-16T06:03:39.182Z", "answer": 65476 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ad0507
nt_lcm_compute_v1_1978505735_980
Let $A$ be the number of positive integers $n$ with $1 \leq n \leq 26773$ such that $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}$. Let $B$ be the number of positive integers $n_1$ with $1 \leq n_1 \leq 8405$ such that $n_1 \equiv \left\lfloor \frac{n_1}{2} \right\rfloor \pmod{3}$. Compute the remainder wh...
38,358
graphs = [ Graph( let={ "_m": Const(77841), "_n": Const(79710), "a": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(26773)), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const(value=2))), modu...
NT
null
COMPUTE
sympy
L3C
[ "L3C" ]
73f8b0
nt_lcm_compute_v1
null
6
0
[ "L3C" ]
1
0.002
2026-02-08T15:43:30.374607Z
{ "verified": true, "answer": 38358, "timestamp": "2026-02-08T15:43:30.376937Z" }
d7ae4b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 2971 }, "timestamp": "2026-02-16T12:59:29.623Z", "answer": 38358 }, ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c9c2ce
comb_factorial_compute_v1_1520064083_10321
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 441000$, $\gcd(p, q) = 1$, and $p < q$. Let $r = n!$. Compute the remainder when $44121 \cdot r$ is divided by $80744$.
6,912
graphs = [ Graph( let={ "_n": Const(80744), "n": CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), Var(name='q')), right=Const(value=441000)), Eq(left=GCD(a=Var(name='p'), b=Var(...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
comb_factorial_compute_v1
null
6
0
[ "COPRIME_PAIRS" ]
1
0.001
2026-02-08T11:21:16.104234Z
{ "verified": true, "answer": 6912, "timestamp": "2026-02-08T11:21:16.105079Z" }
7ed7f2
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 123, "completion_tokens": 3076 }, "timestamp": "2026-02-14T12:06:40.875Z", "answer": 6912 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
2a7ddb
geo_visible_lattice_v1_1520064083_5463
Let $n = 90$. Define $L$ to be the set of all ordered pairs of positive integers $(x, y)$ such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Let $r$ be the number of elements in $L$. Compute the remainder when $2053 \cdot r$ is divided by $86253$.
2,973
graphs = [ Graph( let={ "n": Const(90), "result": VisibleLatticePoints(n=Ref(name='n')), "_c": Const(2053), "Q": Mod(value=Mul(Ref("_c"), Ref("result")), modulus=Const(86253)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
6
0
null
null
1.289
2026-02-08T06:48:12.686270Z
{ "verified": true, "answer": 2973, "timestamp": "2026-02-08T06:48:13.975723Z" }
3b0699
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 3027 }, "timestamp": "2026-02-24T07:55:58.497Z", "answer": 2973 }, { "i...
1
[]
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
a2d227
diophantine_fbi2_min_v1_677425708_3220
Let $T$ be the set of all integers $t$ such that $8 \leq t \leq 46$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 5$, $1 \leq b \leq 7$, and $t = 5a + 3b$. Let $u$ be the number of elements in $T$. Let $d$ be the smallest divisor of $21$ such that $d \geq 3$, $d \leq u$, and $\frac{21}{d} \geq 5$. C...
16
graphs = [ Graph( let={ "_n": Const(19), "k": Const(21), "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "LIN_FORM" ]
7b2633
diophantine_fbi2_min_v1
null
5
0
[ "LIN_FORM", "MIN_PRIME_FACTOR" ]
2
0.018
2026-02-08T05:32:28.924618Z
{ "verified": true, "answer": 16, "timestamp": "2026-02-08T05:32:28.942832Z" }
f80afe
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 1682 }, "timestamp": "2026-02-12T11:28:28.504Z", "answer": 16 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -8.32, "mid": -5.11, "hi": -2.37 }
884d1b
nt_count_coprime_v1_260342960_95
Let $k$ be the number of ordered pairs $(i,j)$ of positive integers with $1 \leq i \leq 3$ and $1 \leq j \leq 8$ such that $\gcd(i,j) = 1$. Let $\text{result}$ be the number of positive integers $n$ with $1 \leq n \leq 32761$ such that $\gcd(n, k) = 1$. Compute the value of $\text{result} + \phi(|\text{result}| + \phi(...
16,221
graphs = [ Graph( let={ "_n": Const(2), "upper": Const(32761), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(3)), right=...
NT
null
COUNT
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID", "ONE_PHI_2" ]
98ffdc
nt_count_coprime_v1
null
4
0
[ "COUNT_COPRIME_GRID", "ONE_PHI_2" ]
2
2.589
2026-02-08T11:13:47.985674Z
{ "verified": true, "answer": 16221, "timestamp": "2026-02-08T11:13:50.574655Z" }
7039db
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 275, "completion_tokens": 1930 }, "timestamp": "2026-02-08T20:28:21.204Z", "answer": 16221 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { ...
{ "lo": -2.08, "mid": 1.77, "hi": 4.93 }
dbc467
alg_sym_quad_system_v1_601307018_9222
Let $R$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 20$ satisfying $5b^2 + 34a^2 - 2ab = 1690$. Let $m = \min\{ x + y : x > 0, y > 0, xy = 8088336, x \le y \}$. Let $S$ be the set of positive integer triples $(a_1, b_1, c)$ such that $a_1^2 + b_1^2 + c^R = a_1b_1 + b_1c + ca_1$, $8...
1,479
graphs = [ Graph( let={ "_c": Const(2), "_m": Const(2), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(20)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(20)), Eq(Sum(Mul(Const(5), P...
NT
null
COMPUTE
sympy
QF_PSD_COUNT
[ "QF_PSD_COUNT/B3", "B3_CLOSEST" ]
a6df09
alg_sym_quad_system_v1
null
7
0
[ "B3", "B3_CLOSEST", "QF_PSD_COUNT" ]
3
0.029
2026-03-10T09:36:08.739263Z
{ "verified": true, "answer": 1479, "timestamp": "2026-03-10T09:36:08.768309Z" }
d2808b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 360, "completion_tokens": 7052 }, "timestamp": "2026-04-19T10:53:02.163Z", "answer": 1479 }, { "...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONS...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
9e913f
comb_binomial_compute_v1_1248542787_106
Let $T$ be the set of all integers $t$ such that $15 \le t \le 28$ and there exist positive integers $a$ and $b$ with $1 \le a \le 2$, $1 \le b \le 6$, and $t = 3a + 2b + 10$. Define $n$ to be the number of elements in $T$. Let $\binom{n}{7}$ denote the binomial coefficient. Compute the remainder when $30841 \cdot \bi...
47,862
graphs = [ Graph( let={ "_n": Const(30841), "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=2)), Geq(left=Va...
ALG
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_binomial_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T02:57:16.280371Z
{ "verified": true, "answer": 47862, "timestamp": "2026-02-08T02:57:16.282543Z" }
58c135
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 242, "completion_tokens": 1411 }, "timestamp": "2026-02-09T00:21:19.348Z", "answer": 47862 }, { "...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 0.52, "mid": 2, "hi": 3.36 }
654b4f
geo_count_lattice_rect_v1_1080341949_270
Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq 180$ and $0 \leq y \leq 202$.
36,743
graphs = [ Graph( let={ "a": Const(180), "b": Const(202), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
4
0
null
null
0.001
2026-02-08T13:21:54.998274Z
{ "verified": true, "answer": 36743, "timestamp": "2026-02-08T13:21:54.998805Z" }
bd88b1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 123 }, "timestamp": "2026-02-24T18:06:03.693Z", "answer": 36743 }, { "i...
1
[]
{ "lo": -5.97, "mid": -3.97, "hi": -1.93 }