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0e52c2
comb_bell_compute_v1_677425708_2638
Let $u$ be the number of integers $t$ with $5 \le t \le 14$ for which there exist integers $a$ and $b$ such that $1 \le a \le 4$, $1 \le b \le 2$, and $t = 2a + 3b$. Let $n_1 = u + 1$. Define $$ e = \sum_{k=0}^{10} (-1)^k \binom{10}{k} \quad\text{and}\quad f = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}. $$ Let $n = 8 + e +...
4,140
graphs = [ Graph( let={ "n2": Const(10), "e": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "u": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=V...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/BINOMIAL_ALTERNATING" ]
bebeab
comb_bell_compute_v1
null
6
2
[ "BINOMIAL_ALTERNATING", "LIN_FORM" ]
2
0.002
2026-02-08T05:10:12.619503Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T05:10:12.621244Z" }
fb0cf9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 276, "completion_tokens": 834 }, "timestamp": "2026-02-24T02:46:08.987Z", "answer": 4140 }, { "id...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" },...
{ "lo": -5.97, "mid": -3.96, "hi": -1.93 }
7e408e
nt_count_with_divisor_count_v1_151522320_1406
Let $p$ be the largest prime number less than or equal to 6191. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq p$ and the number of positive divisors of $n$ is exactly 10. Compute the value of $N$.
100
graphs = [ Graph( let={ "_n": Const(2), "upper": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(6191)), IsPrime(Var("n"))))), "div_count": Const(10), "result": CountOverSet(set=SolutionsSet(var=Var("n"), c...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_with_divisor_count_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.513
2026-02-08T03:59:16.155762Z
{ "verified": true, "answer": 100, "timestamp": "2026-02-08T03:59:16.669203Z" }
f32bde
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 5187 }, "timestamp": "2026-02-11T16:12:02.769Z", "answer": 100 }, { "id...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.53, "mid": 1.02, "hi": 5.49 }
367b08
comb_count_permutations_fixed_v1_2051736721_2079
Let $N = 85245$, $n = 10$, and $k = 7$. Define $T = \binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Let $S$ be the set of all nonnegative integers $j$ such that $0 \leq j \leq 85245$ and $\binom{N}{j}$ is odd. Compute $|S| - T$.
1,808
graphs = [ Graph( let={ "_n": Const(85245), "n": Const(10), "k": Const(7), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "Q": Sub(CountOverSet(set=SolutionsSet(var=Var("j"), condition=...
COMB
null
COUNT
sympy
V8
[ "V8" ]
04a712
comb_count_permutations_fixed_v1
negation_mod
7
0
[ "V8" ]
1
0.003
2026-02-08T16:26:15.857469Z
{ "verified": true, "answer": 1808, "timestamp": "2026-02-08T16:26:15.860482Z" }
339c29
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 913 }, "timestamp": "2026-02-24T21:07:14.053Z", "answer": 1808 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
577024
algebra_poly_eval_v1_601307018_8131
Let $z = 9$. Let $E = \min\{x + y : x > 0, y > 0, xy = 2474329\}$. Let $C = \left|\{ (a_1, b_1) : 1 \le a_1, b_1 \le 35,\, 26a_1^2 - 52a_1b_1 + 26b_1^2 = E \}\right|$. Let $N = \left|\{ (a, b) : 1 \le a, b \le 35,\, 91a^3 - 8b^3 - 96a^2b + C \cdot a b^2 = 40824 \}\right|$. Compute $3 \cdot z^N - 8z^2 + 6z + 4$.
1,597
graphs = [ Graph( let={ "_c": Const(2), "_m": Const(35), "_n": Const(2), "z": Const(9), "result": Sum(Mul(Const(3), Pow(Ref("z"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var...
ALG
null
COMPUTE
sympy
B3
[ "B3/QF_PSD_COUNT/POLY3_COUNT" ]
9d2081
algebra_poly_eval_v1
null
7
0
[ "B3", "POLY3_COUNT", "QF_PSD_COUNT" ]
3
0.069
2026-03-10T08:36:42.241102Z
{ "verified": true, "answer": 1597, "timestamp": "2026-03-10T08:36:42.310239Z" }
f43a57
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 300, "completion_tokens": 8192 }, "timestamp": "2026-04-19T08:21:05.512Z", "answer": 1597 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY3_COUNT", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
adaf5b
algebra_vieta_sum_v1_898971024_2720
Let $S$ be the set of all real numbers $x$ satisfying $$ 2x^3 - 24x^2 - 54x + m = 0, $$ where $m$ is the minimum value of $x_1 + y$ over all ordered pairs $(x_1, y)$ of positive real numbers such that $x_1 y = 236196$. Let $\text{result}$ be the product of all elements of $S$. Compute the remainder when $40942 \cdot \t...
3,293
graphs = [ Graph( let={ "_n": Const(98035), "result": ProductOverSet(set=SolutionsSet(var=Var(name='x'), condition=Eq(left=Sum(Mul(Const(value=2), Pow(base=Var(name='x'), exp=Const(value=3))), Mul(Const(value=-24), Pow(base=Var(name='x'), exp=Const(value=2))), Mul(Const(value=-54), V...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
algebra_vieta_sum_v1
null
6
0
[ "B3" ]
1
0.017
2026-02-08T16:55:43.189306Z
{ "verified": true, "answer": 3293, "timestamp": "2026-02-08T16:55:43.206169Z" }
d49843
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 165, "completion_tokens": 1595 }, "timestamp": "2026-02-17T16:01:59.425Z", "answer": 3293 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ac4395
alg_poly_preperiod_count_v1_601307018_3661
Let $N = (a^2 + 1) \bmod 67$, $M = (N^2 + 1) \bmod 67$, $R = (M^2 + 1) \bmod 67$, and $S = (R^2 + 1) \bmod 67$. Find the number of non-negative integers $a$ with $0 \le a \le 12193$ such that $S = N$, $M \ne N$, and $R \ne N$.
1,092
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(1)), modulus=Const(67)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(1)), modulus=Const(67)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(1)), modulus=Const(67)), "p4": ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.02
2026-03-10T04:16:39.902944Z
{ "verified": true, "answer": 1092, "timestamp": "2026-03-10T04:16:39.923257Z" }
27a732
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 222, "completion_tokens": 6897 }, "timestamp": "2026-03-29T09:32:02.422Z", "answer": 1092 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
577a11
comb_binomial_compute_v1_153355830_2699
Let $n = 15$. Define $k$ to be the value of $$ \sum_{i=1}^{3} \phi(i) \left\lfloor \frac{3}{i} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Compute $\binom{n}{k}$.
5,005
graphs = [ Graph( let={ "_n": Const(3), "n": Const(15), "k": Summation(var="k", start=Const(1), end=Const(3), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "result": Binom(n=Ref("n"), k=Ref("k")), }, goal=Ref("result"), ...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
comb_binomial_compute_v1
null
2
0
[ "K2" ]
1
0.001
2026-02-08T07:17:36.218358Z
{ "verified": true, "answer": 5005, "timestamp": "2026-02-08T07:17:36.219291Z" }
04c8b0
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 132, "completion_tokens": 432 }, "timestamp": "2026-02-15T18:56:00.392Z", "answer": 5005 }, { "id": 11, ...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
e7a77f
sequence_lucas_compute_v1_124444284_5675
Let $n$ be the number of positive integers $k$ such that $1 \le k \le 528$ and $24$ divides $k$. Let $L_n$ denote the $n$th Lucas number, defined by $L_1 = 1$, $L_2 = 3$, and $L_m = L_{m-1} + L_{m-2}$ for $m \ge 3$. Let $r = |L_n|$, and let $b$ be the remainder when $r$ is divided by $11$. Compute the $b$th Bell number...
5
graphs = [ Graph( let={ "_n": Const(11), "n": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(528)), Divides(divisor=Const(24), dividend=Var("k"))), domain='positive_integers')), "result": Lucas(arg=Ref(name='n')), ...
COMB
NT
COMPUTE
sympy
C2
[ "C2" ]
9685eb
sequence_lucas_compute_v1
null
4
0
[ "C2" ]
1
0.001
2026-02-08T06:46:09.641509Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-08T06:46:09.642946Z" }
57370b
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": 809 }, "timestamp": "2026-02-13T04:24:25.900Z", "answer": 5 }, { ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
f3b33a
alg_sum_ap_v1_1218484723_3012
Let $T$ be the set of positive integers $t$ for which there exist integers $a, b$ with $1 \leq a \leq 756$, $1 \leq b \leq 443$ such that $t = 4a + 3b$ and $7 \leq t \leq 4353$. Let $m = |T|$. Compute $22222 - \left( \sum_{k=0}^{898} (13k + 29) \bmod m \right)$.
18,662
graphs = [ Graph( let={ "_n": Const(898), "result": Mod(value=Summation(var="k", start=Const(0), end=Ref("_n"), expr=Sum(Mul(Const(13), Var("k")), Const(29))), modulus=CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), ...
ALG
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
alg_sum_ap_v1
null
3
0
[ "LIN_FORM" ]
1
0.011
2026-02-25T04:44:39.374281Z
{ "verified": true, "answer": 18662, "timestamp": "2026-02-25T04:44:39.385583Z" }
436c91
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": 29100 }, "timestamp": "2026-03-29T07:53:46.199Z", "answer": 18662 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.55, "mid": 4.7, "hi": 7.23 }
17bfe3
sequence_lucas_compute_v1_238844314_412
Let $ n = \sum_{k=1}^{6} \phi(k) \left\lfloor \frac{6}{k} \right\rfloor $, where $ \phi(k) $ denotes Euler's totient function. Let $ Q = L_n $, the $ n $-th Lucas number, where the Lucas sequence is defined by $ L_1 = 1 $, $ L_2 = 3 $, and $ L_m = L_{m-1} + L_{m-2} $ for $ m \geq 3 $. Compute $ Q $.
24,476
graphs = [ Graph( let={ "_n": Const(6), "n": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(6), Var("k"))))), "result": Lucas(arg=Ref(name='n')), "Q": Ref("result"), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
sequence_lucas_compute_v1
null
6
0
[ "K2" ]
1
0.002
2026-02-08T13:20:08.805003Z
{ "verified": true, "answer": 24476, "timestamp": "2026-02-08T13:20:08.806707Z" }
2c4b99
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": 1096 }, "timestamp": "2026-02-15T13:04:27.456Z", "answer": 24476 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
86551c
algebra_poly_eval_v1_601307018_280
Let $m = 21$. Let $$N = \frac{32 m^4 + \max \{ d : d \ge 1, d \le 444, d \mid 204684 \} \cdot m^3 - 1123 m^2 - 539m + 336}{6105}.$$ Determine the multiplicative order of $2$ modulo $|N| \cdot 2 + 3$.
1,460
graphs = [ Graph( let={ "m": Const(21), "result": Div(Sum(Mul(Const(32), Pow(Ref("m"), Const(4))), Mul(MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Const(444)), Divides(divisor=Var("d"), dividend=Const(204684))))), Pow(Ref("m"), Const...
NT
NT
COMPUTE
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
algebra_poly_eval_v1
null
5
0
[ "MAX_DIVISOR" ]
1
0.004
2026-03-10T00:49:40.549203Z
{ "verified": true, "answer": 1460, "timestamp": "2026-03-10T00:49:40.553431Z" }
9edb66
CC BY 4.0
null
null
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -10, "mid": 0, "hi": 10 }
729609
nt_sum_divisors_compute_v1_1520064083_3166
Let $n = 41616$ and let $\sigma(n)$ denote the sum of all positive divisors of $n$. Let $c$ be the number of integers $m$ such that $1 \leq m \leq 1452$ and $m \equiv \left\lfloor \frac{m}{2} \right\rfloor \pmod{3}$. Compute the remainder when $\sigma(n)^2 + 15\sigma(n) + c$ is divided by $65987$.
22,088
graphs = [ Graph( let={ "_n": Const(1452), "n": Const(41616), "result": SumDivisors(n=Ref("n")), "Q": Mod(value=Sum(Pow(Ref("result"), Const(2)), Mul(Const(15), Ref("result")), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), ...
NT
null
COMPUTE
sympy
L3C
[ "L3C" ]
b81e9a
nt_sum_divisors_compute_v1
quadratic_mod
5
0
[ "L3C" ]
1
0.001
2026-02-08T05:29:49.879153Z
{ "verified": true, "answer": 22088, "timestamp": "2026-02-08T05:29:49.880357Z" }
80eb89
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 2194 }, "timestamp": "2026-02-12T09:30:18.994Z", "answer": 22088 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
7e4491
nt_num_divisors_compute_v1_898971024_2248
Let $n = 33489$. Define $r$ to be the number of positive divisors of $n$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 162$. Let $P$ be the set of all products $xy$ where $(x, y) \in S$. Let $c$ be the maximum value in $P$. Compute $c - r$.
6,552
graphs = [ Graph( let={ "_n": Const(162), "n": Const(33489), "result": NumDivisors(n=Ref("n")), "_c": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
d2b6e1
nt_num_divisors_compute_v1
negation_mod
3
0
[ "B1" ]
1
0.003
2026-02-08T16:37:24.764415Z
{ "verified": true, "answer": 6552, "timestamp": "2026-02-08T16:37:24.767433Z" }
f3f13b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 589 }, "timestamp": "2026-02-17T07:51:29.014Z", "answer": 6552 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
fddfd0
nt_count_coprime_and_v1_1125832087_907
Let $U = 37403$. Determine the number of positive integers $n$ such that $1 \le n \le U$, $\gcd(n,5) = 1$, and $\gcd(n,7) = 1$. Call this number $r$. Let $D$ be the set of positive divisors $d$ of $3440989$ such that $1 \le d \le 1849$. Let $c$ be the maximum element of $D$. Define $Q$ as the sum of $c$ and the sum ove...
2,057
graphs = [ Graph( let={ "upper": Const(37403), "k1": Const(5), "k2": Const(7), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(GCD(a=Var("n"), b=Ref("k1")), Const(1)), Eq(GCD(a=Var("n...
NT
null
COUNT
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
07ce98
nt_count_coprime_and_v1
digits_weighted_mod
5
0
[ "MAX_DIVISOR" ]
1
5.118
2026-02-08T03:21:32.737563Z
{ "verified": true, "answer": 2057, "timestamp": "2026-02-08T03:21:37.855467Z" }
49106b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 306, "completion_tokens": 2479 }, "timestamp": "2026-02-10T13:19:59.772Z", "answer": 2057 }, { "...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
31b77f
antilemma_sum_equals_v1_784195855_1551
Let $\_n$ be the number of ordered pairs $(i,j)$ such that $1 \leq i \leq 8$ and $1 \leq j \leq 11$. Compute the number of ordered pairs $(i,j)$ of positive integers with $1 \leq i, j \leq 88$ such that $i + j = \_n$.
87
graphs = [ Graph( let={ "_n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(8)), 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
COUNT_CARTESIAN
[ "COUNT_CARTESIAN/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
8bee9e
antilemma_sum_equals_v1
null
3
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.003
2026-02-08T05:08:06.807642Z
{ "verified": true, "answer": 87, "timestamp": "2026-02-08T05:08:06.811010Z" }
37e595
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 440 }, "timestamp": "2026-02-24T02:46:41.761Z", "answer": 87 }, { "id":...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", ...
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
055b4c
nt_count_primes_v1_1742523217_776
Let $ S $ be the set of all positive integers $ p $ such that there exists an integer $ q $ with $ p < q $, $ \gcd(p, q) = 1 $, and $ pq = 54 $. Let $ m $ be the number of elements in $ S $. Determine the value of $ m $. Let $ T $ be the set of all prime numbers $ n $ such that $ m \leq n \leq 50625 $. Compute the num...
5,191
graphs = [ Graph( let={ "upper": Const(50625), "result": CountOverSet(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'),...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_primes_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
1.153
2026-02-08T03:14:15.357061Z
{ "verified": true, "answer": 5191, "timestamp": "2026-02-08T03:14:16.510539Z" }
06b0c0
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 217, "completion_tokens": 18753 }, "timestamp": "2026-02-23T17:48:15.006Z", "answer": 5191 }, { ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" }...
{ "lo": -3.45, "mid": 1.18, "hi": 5.72 }
30fcb7
comb_count_permutations_fixed_v1_784195855_8538
Let $n$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = 9$. Compute $25921 - \binom{n}{3} \cdot !(n - 3)$, where $!k$ denotes the number of derangements of $k$ elements.
25,881
graphs = [ Graph( let={ "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(9)))), expr=Sum(Var("x"), Var("y")))), "k": Const(3), ...
COMB
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
comb_count_permutations_fixed_v1
null
4
0
[ "B3" ]
1
0.002
2026-02-08T16:08:47.298347Z
{ "verified": true, "answer": 25881, "timestamp": "2026-02-08T16:08:47.300185Z" }
e4b49a
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 439 }, "timestamp": "2026-02-24T20:04:13.533Z", "answer": 25881 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -8, "mid": -4.75, "hi": -2.28 }
86be9e
algebra_quadratic_discriminant_v1_717093673_1030
Let $a = 1$, $b = -5$, and $c = -50$. Define the discriminant $D = b^2 - 4ac$. Let $S = \sum_{k=0}^{5} (-1)^k \binom{5}{k}$. Compute the value of $2 \cdot \mathbf{1}_{D > S} + \mathbf{1}_{D = 0}$, where $\mathbf{1}_{\text{condition}}$ is 1 if the condition is true and 0 otherwise.
2
graphs = [ Graph( let={ "a": Const(1), "b": Const(-5), "c": Const(-50), "D": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a"), Ref("c"))), "result": Sum(Mul(Const(2), Iverson(condition=Gt(Ref("D"), Summation(var="k", start=Const(0), end=Const(5)...
COMB
null
COMPUTE
sympy
B3
[ "BINOMIAL_ALTERNATING" ]
c21569
algebra_quadratic_discriminant_v1
null
3
0
[ "B3", "BINOMIAL_ALTERNATING" ]
2
0.022
2026-02-08T15:47:57.980626Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T15:47:58.002842Z" }
7f8e1c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 226, "completion_tokens": 384 }, "timestamp": "2026-02-24T18:43:31.735Z", "answer": 2 }, { "id":...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -10, "mid": -7.42, "hi": -4.85 }
154ed4
comb_count_surjections_v1_2051736721_5574
Let $s$ be the number of ordered pairs $(x_{11}, x_{21})$ of positive odd integers such that $x_{11} + x_{21} = 20$. Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = s$. Let $k = 2$. Compute the remainder when $58549 \cdot k! \cdot S(n, k)$ is divided by $92016$, where...
8,166
graphs = [ Graph( let={ "_n": Const(92016), "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")),...
COMB
null
COUNT
sympy
COMB1
[ "COMB1/COMB1" ]
b2c526
comb_count_surjections_v1
null
5
0
[ "COMB1" ]
1
0.034
2026-02-08T18:40:04.441309Z
{ "verified": true, "answer": 8166, "timestamp": "2026-02-08T18:40:04.475133Z" }
0be2bf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 1723 }, "timestamp": "2026-02-18T18:35:54.650Z", "answer": 8166 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "statu...
{ "lo": -3.12, "mid": 1.47, "hi": 6.57 }
eae78a
modular_sum_quadratic_residues_v1_601307018_10907
Let $S$ be the set of ordered pairs $(a, b)$ of positive integers with $1 \leq a, b \leq 40$ such that $41a^2 + 20b^2 - 12ab \leq 34697$, and let $T = |S|$. Find the number $p$ of positive integers $x$ with $1 \leq x \leq T$ satisfying $|2x - 1086| \leq 612$, then compute $\frac{p(p - 1)}{4}$.
93,789
graphs = [ Graph( let={ "_n": Const(4), "p": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(40)), Geq(V...
NT
null
SUM
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ/ABS_INEQ" ]
ed242b
modular_sum_quadratic_residues_v1
null
6
0
[ "ABS_INEQ", "QF_PSD_COUNT_LEQ" ]
2
0.003
2026-03-10T11:22:31.925766Z
{ "verified": true, "answer": 93789, "timestamp": "2026-03-10T11:22:31.929014Z" }
bb595c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 231, "completion_tokens": 7548 }, "timestamp": "2026-04-19T15:02:50.815Z", "answer": 93789 }, { ...
1
[ { "lemma": "ABS_INEQ", "status": "ok_later" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "QF_PSD_COUNT_LE...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
e78d27
algebra_poly_eval_v1_124444284_4837
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 9216$. Define $T$ to be the set of all values $x + y$ where $(x,y) \in S$. Let $A$ be the minimum element of $T$. Let $B$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 16874$. Compute the v...
1,780
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(315), "k": Const(17), "result": Div(Sum(Mul(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(...
NT
null
COMPUTE
sympy
COMB1
[ "COMB1", "B3" ]
44bb30
algebra_poly_eval_v1
null
6
0
[ "B3", "COMB1" ]
2
0.008
2026-02-08T06:14:56.291829Z
{ "verified": true, "answer": 1780, "timestamp": "2026-02-08T06:14:56.299914Z" }
746c62
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 1974 }, "timestamp": "2026-02-12T21:37:31.951Z", "answer": 1780 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status"...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
d4a17b
nt_lcm_compute_v1_124444284_4375
Let $a$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 2079364$. Let $b = 2127$, and let $r = \mathrm{lcm}(a, b)$. Compute the remainder when $r + 2^{r \bmod 14} \bmod 74882$ is divided by $74882$. Determine the value of this remainder.
68,827
graphs = [ Graph( let={ "_n": Const(2), "a": 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(2079364)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_lcm_compute_v1
null
6
0
[ "B3" ]
1
0.001
2026-02-08T05:58:37.501972Z
{ "verified": true, "answer": 68827, "timestamp": "2026-02-08T05:58:37.503337Z" }
834b4d
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": 1628 }, "timestamp": "2026-02-12T18:09:43.019Z", "answer": 68827 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
a2c43a
geo_count_lattice_rect_v1_1520064083_4693
Compute the number of lattice points in the rectangle $[0, 80] \times [0, 23]$, including the boundary. Multiply this number by 44121 and find the remainder when the product is divided by 73984.
23,768
graphs = [ Graph( let={ "a": Const(80), "b": Const(23), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(73984)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.003
2026-02-08T06:23:19.413947Z
{ "verified": true, "answer": 23768, "timestamp": "2026-02-08T06:23:19.416555Z" }
5a6397
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 160, "completion_tokens": 747 }, "timestamp": "2026-02-24T06:06:16.834Z", "answer": 24218 }, { ...
1
[]
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
ed4558
nt_count_primes_v1_1978505735_1670
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p < q$, $\gcd(p, q) = 1$, and $pq = 108$. Let $L$ be the number of elements in $S$. Compute the number of prime numbers $n$ such that $L \leq n \leq 20164$.
2,281
graphs = [ Graph( let={ "upper": Const(20164), "result": CountOverSet(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'),...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_primes_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.708
2026-02-08T16:19:45.279432Z
{ "verified": true, "answer": 2281, "timestamp": "2026-02-08T16:19:45.987817Z" }
76ce69
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": 2271 }, "timestamp": "2026-02-17T01:03:35.595Z", "answer": 2281 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
ff089b
nt_count_divisible_v1_784195855_2406
Let $A$ be the set of all positive integers $n$ such that $n$ is divisible by $30$, and $n \leq 51984$. Let $u = \sum_{d \mid \gcd(11,13)} \mu(d)$, where $\mu$ is the Möbius function. Define $|A|$ to be the number of elements in $A$. Compute $15876 - |A|$.
14,144
graphs = [ Graph( let={ "upper": Const(51984), "divisor": Const(30), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), SumOverDivisors(n=GCD(a=Const(value=11), b=Const(value=13)), var='d', expr=MoebiusMu(n=Var(name='d')))), Leq(Var("n"), Re...
NT
null
COUNT
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
nt_count_divisible_v1
null
3
0
[ "MOBIUS_COPRIME" ]
1
5.877
2026-02-08T05:43:39.758098Z
{ "verified": true, "answer": 14144, "timestamp": "2026-02-08T05:43:45.635592Z" }
d23364
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 322 }, "timestamp": "2026-02-18T19:19:35.180Z", "answer": 14144 } ]
2
[ { "lemma": "K16", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
5b2bd6
sequence_fibonacci_compute_v1_2051736721_1655
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 144$. Let $F_n$ denote the $n$th Fibonacci number, where $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$. Compute the remainder when $44121 \cdot F_n$ is divided by $60839$.
30,314
graphs = [ Graph( let={ "_n": Const(144), "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")), Ref("_n")))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
sequence_fibonacci_compute_v1
null
4
0
[ "B3" ]
1
0.002
2026-02-08T16:08:53.696078Z
{ "verified": true, "answer": 30314, "timestamp": "2026-02-08T16:08:53.697716Z" }
87efbc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 157, "completion_tokens": 1846 }, "timestamp": "2026-02-16T21:20:09.291Z", "answer": 30314 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "no...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c10c32
modular_modexp_compute_v1_1470522791_472
Let $a = 29$. Define $e = \sum_{k=1}^{15} \phi(k) \left\lfloor \frac{15}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function. Let $m = 16384$ and let $r$ be the remainder when $a^e$ is divided by $m$. Compute the remainder when $50615 \cdot r$ is divided by $85107$.
32,544
graphs = [ Graph( let={ "_n": Const(85107), "a": Const(29), "e": Summation(var="k", start=Const(1), end=Const(15), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(15), Var("k"))))), "m": Const(16384), "result": ModExp(base=Ref("a"), exp=Ref("e"), mo...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
modular_modexp_compute_v1
null
4
0
[ "K2" ]
1
0.002
2026-02-08T13:01:58.450063Z
{ "verified": true, "answer": 32544, "timestamp": "2026-02-08T13:01:58.451725Z" }
06577f
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": 3764 }, "timestamp": "2026-02-15T08:43:03.610Z", "answer": 32544 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
fa1da4
nt_count_divisible_and_v1_655260480_3094
Let $u = 291180$. Let $T$ be the set of all integers $t$ for which there exist integers $a$ and $b$ with $1 \le a \le 3$, $1 \le b \le 4$, $10 \le t \le 36$, and $t = 4a + 6b$. Let $d$ be the number of elements in $T$. Let $N$ be the set of all positive integers $n$ such that $1 \le n \le u$, $n$ is divisible by $10$, ...
4,853
graphs = [ Graph( let={ "upper": Const(291180), "d1": Const(10), "d2": 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'), ...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_divisible_and_v1
null
4
0
[ "LIN_FORM" ]
1
10.291
2026-02-08T17:10:52.054668Z
{ "verified": true, "answer": 4853, "timestamp": "2026-02-08T17:11:02.345932Z" }
226b21
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 1017 }, "timestamp": "2026-02-17T21:04:27.764Z", "answer": 4853 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status":...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
50b979
geo_count_lattice_triangle_v1_1353956133_655
Let $A$ be the area of the triangle with vertices at $(169, 100)$, $(256, 200)$, and $(0, 0)$, multiplied by $2$. Let $B$ be the sum of the greatest common divisors of the absolute differences of the coordinates of each pair of vertices, that is, $$ B = \gcd(|169|, |100|) + \gcd(|256 - 169|, |200 - 100|) + \gcd(|0 - 25...
2,616
graphs = [ Graph( let={ "_n": Const(169), "area_2x": Abs(arg=Sum(Mul(Ref(name='_n'), Const(value=200)), Mul(Const(value=256), Sub(left=Const(value=0), right=Const(value=100))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=169)), b=Abs(arg=Const(value=100))), GCD(a=Abs(arg=...
ALG
NT
COUNT
sympy
C4
[ "C4" ]
08d162
geo_count_lattice_triangle_v1
null
6
0
[ "C4" ]
1
0.008
2026-02-08T11:46:33.111238Z
{ "verified": true, "answer": 2616, "timestamp": "2026-02-08T11:46:33.119122Z" }
077812
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": 1624 }, "timestamp": "2026-02-14T18:55:24.915Z", "answer": 2616 }, {...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
79d1c0
comb_catalan_compute_v1_601307018_10823
Let $n = \sum_{k=1}^{4} \varphi(k) \cdot \left\lfloor \frac{4}{k} \right\rfloor$, and let $M = C_n$ where $C_n$ denotes the $n$-th Catalan number. Find the remainder when $44121M$ is divided by $74161$.
39,604
graphs = [ Graph( let={ "_n": Const(4), "n": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(4), Var("k"))))), "result": Catalan(Ref("n")), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(74161)),...
COMB
NT
COMPUTE
sympy
K2
[ "K2" ]
6897ab
comb_catalan_compute_v1
null
5
0
[ "K2" ]
1
0.002
2026-03-10T11:16:44.764398Z
{ "verified": true, "answer": 39604, "timestamp": "2026-03-10T11:16:44.766150Z" }
d45bfa
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 189, "completion_tokens": 1337 }, "timestamp": "2026-04-19T14:48:08.857Z", "answer": 39604 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "V8_SUM", "statu...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
d954e4
algebra_vieta_sum_v1_1470522791_1166
Let $S$ be the set of all positive integers $x$ such that $$ x^d - 27x^2 + 242x - 720 = 0, $$ where $d$ is the smallest divisor of 1575 that is at least 2. Compute the product of all elements in $S$.
720
graphs = [ Graph( let={ "_n": Const(2), "result": ProductOverSet(set=SolutionsSet(var=Var(name='x'), condition=Eq(left=Sum(Pow(base=Var(name='x'), exp=MinOverSet(set=SolutionsSet(var=Var(name='d'), condition=And(Geq(left=Var(name='d'), right=Ref(name='_n')), Divides(divisor=Var(name=...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
algebra_vieta_sum_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.01
2026-02-08T13:28:59.442329Z
{ "verified": true, "answer": 720, "timestamp": "2026-02-08T13:28:59.452393Z" }
ccd4c7
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 133, "completion_tokens": 466 }, "timestamp": "2026-02-16T04:36:07.435Z", "answer": 900 }, { "id": 11, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
4867a7
algebra_quadratic_discriminant_v1_1125832087_392
Let $m = 51$. Let $d_{\text{min}}$ be the smallest integer $d \geq 2$ that divides $6907543$. Define $c$ as the number of positive integers $n \leq 51$ such that the sum of the decimal digits of $n$ is even. Let $a = -1$, $b = 0$, and define $\text{result} = b^2 - 4ac$. Let $Q = (d_{\text{min}} - \text{result}) \mod 67...
67,684
graphs = [ Graph( let={ "_m": Const(51), "_n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(6907543))))), "a": Const(-1), "b": Const(0), "c": CountOverSet(set=SolutionsSet...
NT
null
COMPUTE
sympy
COMB1
[ "MIN_PRIME_FACTOR/L3B" ]
b1b960
algebra_quadratic_discriminant_v1
negation_mod
5
0
[ "COMB1", "L3B", "MIN_PRIME_FACTOR" ]
3
0.036
2026-02-08T03:02:44.318621Z
{ "verified": true, "answer": 67684, "timestamp": "2026-02-08T03:02:44.354148Z" }
41fe09
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 254, "completion_tokens": 1918 }, "timestamp": "2026-02-10T12:34:27.802Z", "answer": 67690 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3B", "status": "ok_later" }, { "lemma": "L3b", "status": "no...
{ "lo": 3.24, "mid": 5.68, "hi": 8.81 }
f416e9
comb_factorial_compute_v1_153355830_3026
Let $S$ be the set of all real solutions $x$ to the equation $x^2 - 1001x + 13818 = 0$. Let $T$ be the sum of all elements of $S$. Let $n$ be the smallest integer $d \geq 2$ that divides $T$. Compute $n!$.
5,040
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_m")), Mul(Const...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "VIETA_SUM/MIN_PRIME_FACTOR" ]
b1c8ca
comb_factorial_compute_v1
null
6
0
[ "MIN_PRIME_FACTOR", "VIETA_SUM" ]
2
0.002
2026-02-08T07:32:50.275882Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-08T07:32:50.277516Z" }
165c80
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 537 }, "timestamp": "2026-02-15T19:00:48.922Z", "answer": 5040 }, { "id": 11, ...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "MOD_FACTORIAL", "statu...
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
ca7eec
comb_binomial_compute_v1_1470522791_247
Let $n$ be the smallest divisor of $1356277$ that is at least $2$, and let $k$ be the smallest divisor of $7007$ that is at least $2$. Compute $\binom{n}{k}$.
1,716
graphs = [ Graph( let={ "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(1356277))))), "k": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divi...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_binomial_compute_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.003
2026-02-08T12:55:04.741596Z
{ "verified": true, "answer": 1716, "timestamp": "2026-02-08T12:55:04.744619Z" }
6be2ad
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 96, "completion_tokens": 878 }, "timestamp": "2026-02-15T07:26:31.146Z", "answer": 1716 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VAL_SUM_EQ", "sta...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d0a782
comb_catalan_compute_v1_1520064083_934
Let $ S $ be the set of all integers $ t $ such that $ 23 \leq t \leq 35 $ and there exist integers $ a $ and $ b $ with $ 1 \leq a \leq 3 $, $ 1 \leq b \leq 4 $, and $ t = 3a + 2b + 18 $. Let $ m $ be the number of elements in $ S $. Let $ P $ be the set of all ordered pairs $ (i, j) $ such that $ 1 \leq i \leq 10 $, ...
16,796
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=3)), Geq(left=Var(name='b'), right=Const(value=...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS" ]
8a3f7a
comb_catalan_compute_v1
null
5
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.011
2026-02-08T03:40:21.398360Z
{ "verified": true, "answer": 16796, "timestamp": "2026-02-08T03:40:21.409471Z" }
ef2aa8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 282, "completion_tokens": 1303 }, "timestamp": "2026-02-23T22:40:36.203Z", "answer": 16796 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", ...
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
008691
comb_sum_binomial_mod_v1_717093673_1028
Let $n_0 = 80613$. Define $n_1 = 3 + 4$. Let $v = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$. Let $u = 1$, and define $n = u + 1$. Let $f = \sum_{k_1=0}^{n} (-1)^{k_1} \binom{n}{k_1}$. Let $T$ be the set of all ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 172$. Let $s = |T|$. Compute the rema...
35,163
graphs = [ Graph( let={ "_n": Const(80613), "a": Const(3), "b": Const(4), "n1": Sum(Ref("a"), Ref("b")), "v": Summation(var="k", start=Const(0), end=Ref("n1"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n1"), k=Var("k")))), "u": Co...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "COMB1" ]
e741ba
comb_sum_binomial_mod_v1
null
5
2
[ "BINOMIAL_ALTERNATING", "COMB1" ]
2
0.021
2026-02-08T15:47:57.884330Z
{ "verified": true, "answer": 35163, "timestamp": "2026-02-08T15:47:57.904923Z" }
919f41
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 315, "completion_tokens": 3919 }, "timestamp": "2026-02-24T18:43:44.557Z", "answer": 35163 }, { ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "stat...
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
133a55
algebra_poly_eval_v1_601307018_6007
Let $N$ be the largest positive integer $d$ such that $d^2 \le 4096567$ and $d \mid 4096567$. Let $a = 8$ and $R = 5a^4 + 4a^3 - a^2 + a + 9$. Let $M = \max\{d_1 : d_1 \ge 1,\, d_1 \mid 783,\, d_1^2 \le 783\}$. Find the remainder when $R^2 + M \cdot R + N$ is divided by $58749$.
57,981
graphs = [ Graph( let={ "_n": Const(4), "a": Const(8), "result": Sum(Mul(Const(5), Pow(Ref("a"), Const(4))), Mul(Ref("_n"), Pow(Ref("a"), Const(3))), Mul(Const(-1), Pow(Ref("a"), Const(2))), Ref("a"), Const(9)), "_c": MaxOverSet(set=SolutionsSet(var=Var("d"), ...
NT
null
COMPUTE
sympy
POLY_ORBIT_HENSEL
[ "B3_CLOSEST" ]
d8bbcd
algebra_poly_eval_v1
quadratic_mod
4
0
[ "B3_CLOSEST", "POLY_ORBIT_HENSEL" ]
2
14.269
2026-03-10T06:35:48.110093Z
{ "verified": true, "answer": 57981, "timestamp": "2026-03-10T06:36:02.379565Z" }
e7be85
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 243, "completion_tokens": 20244 }, "timestamp": "2026-04-19T03:23:36.834Z", "answer": 55961 }, { ...
0
[ { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "s...
{ "lo": 2.1, "mid": 5.36, "hi": 8.63 }
6255e8
nt_count_divisible_v1_1820931509_96
Let $m=2$ and $n=49$. Let $u=46368$. Let $p$ be the largest prime number with $2\le p\le 26$. Let $R$ be the number of integers $k$ such that $1\le k\le u$ and $p$ divides $k$. Let $N$ be the number of non-negative integers $j$ with $0\le j\le 19640$ such that $\binom{19640}{j}$ is odd. Let $c$ be the maximum value...
24,626
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(49), "upper": Const(46368), "divisor": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), Const(26)), IsPrime(Var("n"))))), "result": CountOverSet(set=...
NT
null
COUNT
sympy
V8
[ "V8/B1", "MAX_PRIME_BELOW" ]
0c59ba
nt_count_divisible_v1
quadratic_mod
7
0
[ "B1", "MAX_PRIME_BELOW", "V8" ]
3
2.281
2026-02-08T11:20:26.517018Z
{ "verified": true, "answer": 24626, "timestamp": "2026-02-08T11:20:28.797868Z" }
774eb3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 1527 }, "timestamp": "2026-02-14T12:13:21.640Z", "answer": 24626 }, ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
59ac0f
alg_poly_orbit_count_v1_1218484723_3882
For a non-negative integer $a$, define $N = (a^3 + 3a) \bmod 29$ and $M = (N^3 + 3N) \bmod 29$. Find the number of integers $a$ with $0 \le a \le 20821$ such that $M = a$ and $N \ne a$.
4,308
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(3)), Mul(Const(3), Var("a"))), modulus=Const(29)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(3)), Mul(Const(3), Ref("p1"))), modulus=Const(29)), "result": CountOverSet(set=SolutionsSet(var=Var("a"), condition=...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
4
null
[ "POLY_ORBIT_COUNT" ]
1
0.009
2026-02-25T05:30:53.613816Z
{ "verified": true, "answer": 4308, "timestamp": "2026-02-25T05:30:53.622744Z" }
440a51
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 190, "completion_tokens": 32768 }, "timestamp": "2026-03-29T12:44:57.069Z", "answer": null }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
fe7a8f
antilemma_cartesian_v1_1520064083_9665
Let $A$ be the set of all ordered pairs $(i,j)$ such that $1 \leq i \leq 10$ and $1 \leq j \leq 16$. Let $x$ be the number of elements in $A$. Compute the remainder when $44121 \cdot x$ is divided by $90568$.
85,624
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(10)), right=IntegerRange(start=Const(1), end=Const(16)))), "Q": Mod(value=Mul(Const(44121), Ref("x")), modulus=Const(90568)), }, goal=Ref("Q"), ) ]
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
antilemma_cartesian_v1
null
2
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T10:57:26.375698Z
{ "verified": true, "answer": 85624, "timestamp": "2026-02-08T10:57:26.376338Z" }
9b0783
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 184, "completion_tokens": 816 }, "timestamp": "2026-02-24T12:33:47.558Z", "answer": 85624 }, { "i...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status"...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
7c04ae
nt_sum_divisors_mod_v1_601307018_53
Let $S$ be the sum of the positive divisors of $83160$, and let $T = S \bmod 11701$. Compute the remainder when $$T^2 + \min \{ d : d \geq 2, d \mid 15 \} \cdot T + \max \left\{ d_1 : d_1 \geq \sum_{d_2 \mid \gcd(3,5)} \mu(d_2),\ d_1 \mid 1009000,\ d_1^2 \leq 1009000 \right\}$$ is divided by $63925$.
31,379
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(63925), "n": Const(83160), "M": Const(11701), "sigma": SumDivisors(n=Ref("n")), "result": Mod(value=Ref("sigma"), modulus=Ref("M")), "Q": Mod(value=Sum(Pow(Ref("result"), R...
NT
null
COMPUTE
sympy
POLY_ORBIT_LEGENDRE
[ "MIN_PRIME_FACTOR", "B3_CLOSEST", "MOBIUS_COPRIME" ]
fec5d5
nt_sum_divisors_mod_v1
quadratic_mod
6
0
[ "B3_CLOSEST", "MIN_PRIME_FACTOR", "MOBIUS_COPRIME", "POLY_ORBIT_LEGENDRE" ]
4
0.119
2026-03-10T00:43:51.694054Z
{ "verified": true, "answer": 31379, "timestamp": "2026-03-10T00:43:51.812996Z" }
5fa4d9
CC BY 4.0
null
null
[ { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOBIUS_COPRIME", "st...
{ "lo": -10, "mid": 0, "hi": 10 }
5f3bfd
comb_sum_binomial_mod_v1_1116507919_56
Let $n = 22$. Define $S$ to be the set of all integers $n$ such that $1 \leq n \leq 836$ and $n \equiv \left\lfloor \frac{n}{2} \right\rfloor \pmod{11}$. Let $N$ be the number of elements in $S$. Compute the remainder when $\sum_{k = n}^{N} \binom{77}{k}$ is divided by $11369$.
7,624
graphs = [ Graph( let={ "_n": Const(22), "sum": Summation(var="k", start=Ref("_n"), end=CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), EulerPhi(n=Const(1))), Leq(Var("n"), Const(836)), Congruent(a=Var(name='n'), b=Floor(arg=Div(left=Var(name='n'), right=Const...
NT
null
COMPUTE
sympy
ONE_PHI_1
[ "ONE_PHI_1", "L3C" ]
2d2418
comb_sum_binomial_mod_v1
null
6
0
[ "L3C", "ONE_PHI_1" ]
2
0.007
2026-02-08T02:24:07.353940Z
{ "verified": true, "answer": 7624, "timestamp": "2026-02-08T02:24:07.360811Z" }
75b1bd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 145, "completion_tokens": 5221 }, "timestamp": "2026-02-09T14:42:14.300Z", "answer": 0 }, {...
0
[ { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "V5"...
{ "lo": 2.52, "mid": 6.26, "hi": 10 }
246666
comb_count_derangements_v1_124444284_5657
Let $m = 2$. Define $n$ to be the number of nonnegative integers $j \leq 66696$ such that $$ \binom{66696}{j} \equiv 1 \pmod{2}. $$ Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = n$. Compute the number of derangements of $s$ elements.
14,833
graphs = [ Graph( let={ "_m": Const(2), "_n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(66696)), Eq(Mod(value=Binom(n=Const(66696), k=Var("j")), modulus=Ref("_m")), Const(1))), domain='nonnegative_integers')), "...
COMB
null
COUNT
sympy
V8
[ "V8/B3" ]
b4fc86
comb_count_derangements_v1
null
6
0
[ "B3", "V8" ]
2
0.002
2026-02-08T06:46:02.196341Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T06:46:02.198040Z" }
05c2a8
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": 1331 }, "timestamp": "2026-02-24T06:59:56.914Z", "answer": 14833 }, { "...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V8", "status": "ok" }, { "lemm...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
04b46c
antilemma_k2_v1_124444284_5283
Compute $\sum_{k=1}^{193} \phi(k) \left\lfloor \frac{193}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function.
18,721
graphs = [ Graph( let={ "x": Summation(var="k", start=Div(Const(4), Const(4)), end=Const(193), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(193), Var("k"))))), }, goal=Ref("x"), ) ]
NT
COMB
COMPUTE
sympy
K13
[ "IDENTITY_DIV_SELF", "K2" ]
39e678
antilemma_k2_v1
null
5
0
[ "IDENTITY_DIV_SELF", "K13", "K2" ]
3
0.049
2026-02-08T06:31:36.657247Z
{ "verified": true, "answer": 18721, "timestamp": "2026-02-08T06:31:36.706684Z" }
386e61
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": 628 }, "timestamp": "2026-02-13T01:15:08.674Z", "answer": 18721 }, { ...
1
[ { "lemma": "IDENTITY_DIV_SELF", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
5f623d
nt_num_divisors_compute_v1_1874849503_1499
Let $T$ be the set of all ordered pairs of positive integers $(x, y)$ such that $xy = 1022121$, and let $n$ be the minimum value of $x + y$ over all such pairs. Let $d(n)$ denote the number of positive divisors of $n$. Let $c = \sum_{d \mid 100} \phi(d)$, where $\phi$ is Euler's totient function. Compute the value of $...
108
graphs = [ Graph( let={ "_n": Const(2), "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(1022121)))), expr=Sum(Var("x"), Var("y")))),...
NT
null
COMPUTE
sympy
K3
[ "K3", "B3" ]
16dbe6
nt_num_divisors_compute_v1
digits_weighted_mod
6
0
[ "B3", "K3" ]
2
0.007
2026-02-08T13:56:34.052601Z
{ "verified": true, "answer": 108, "timestamp": "2026-02-08T13:56:34.059694Z" }
007cce
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 265, "completion_tokens": 2234 }, "timestamp": "2026-02-10T04:50:47.731Z", "answer": 108 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", ...
{ "lo": -5.49, "mid": 0.03, "hi": 6.12 }
b0e2c9
diophantine_fbi2_min_v1_1978505735_4797
Let $n = 24649$ and $k = 6$. Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 64$. Define $u$ to be the minimum value of $x + y$ as $(x,y)$ ranges over $S$. Let $T$ be the set of all integers $d$ such that $2 \leq d \leq u$, $d$ divides $k$, and $\frac{k}{d} \geq 2$. Compute $n - \mi...
24,647
graphs = [ Graph( let={ "_n": Const(24649), "k": Const(6), "upper": 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(64)))), e...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
diophantine_fbi2_min_v1
null
3
0
[ "B3" ]
1
0.004
2026-02-08T18:33:10.965543Z
{ "verified": true, "answer": 24647, "timestamp": "2026-02-08T18:33:10.970033Z" }
31281e
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 433 }, "timestamp": "2026-02-16T12:25:08.679Z", "answer": 24647 }, { "id": 11, ...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
ea6394_l
antilemma_sum_equals_v1_124444284_3109
Let $n = 90$. Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 88$, $1 \leq j \leq 88$, and $i + j = 90$. Compute the value of $x^2 + 36x + 512$.
11,424
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
3
0
[ "COUNT_SUM_EQUALS" ]
1
0.005
2026-02-08T05:15:07.571970Z
{ "verified": false, "answer": 11213, "timestamp": "2026-02-08T05:15:07.577318Z" }
51f991
ea6394
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 786 }, "timestamp": "2026-02-24T02:57:22.230Z", "answer": 11213 }, { "i...
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": -2.46, "mid": 0.47, "hi": 3.59 }
df2c50
nt_max_prime_below_v1_1918700295_4148
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 108$, $\gcd(p, q) = 1$, and $p < q$. Let $k$ be the number of elements in $S$. Determine the value of the largest prime number $n$ such that $k \leq n \leq 10816$.
10,799
graphs = [ Graph( let={ "upper": Const(10816), "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
5
0
[ "COPRIME_PAIRS" ]
1
1.406
2026-02-08T09:09:58.180315Z
{ "verified": true, "answer": 10799, "timestamp": "2026-02-08T09:09:59.586684Z" }
ca32ce
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 132, "completion_tokens": 3428 }, "timestamp": "2026-02-14T01:47:58.720Z", "answer": 10799 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
bc2232
lte_diff_endings_v1_124444284_33
Let $a = 186$, $b = 11$, $p = 5$, and $n = 50134$. Let $v_p(a - b)$ denote the largest integer $k$ such that $p^k$ divides $a - b$. Let $v_p(n!)$ denote the largest integer $k$ such that $p^k$ divides $n!$. Compute the remainder when $n \cdot v_p(a - b) + v_p(n!)$ is divided by $100000$.
12,799
graphs = [ Graph( let={ "a_val": Const(186), "b_val": Const(11), "p_val": Const(5), "n_val": Const(50134), "ab_diff": Sub(Ref("a_val"), Ref("b_val")), "vp_ab": MaxKDivides(target=Ref("ab_diff"), base=Ref("p_val")), "n_times_...
NT
null
COMPUTE
sympy
LTE_DIFF
[ "LTE_DIFF" ]
cf8260
lte_diff_endings_v1
null
4
null
[ "LTE_DIFF" ]
1
0.001
2026-02-08T02:54:41.366266Z
{ "verified": true, "answer": 12799, "timestamp": "2026-02-08T02:54:41.367035Z" }
c477f9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 917 }, "timestamp": "2026-02-09T12:42:17.018Z", "answer": 12799 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_DIFF", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
0fdba8
nt_sum_divisors_mod_v1_238844314_30
Let $S$ be the set of all ordered pairs of positive odd integers $(x_1, x_2)$ such that $x_1 + x_2 = 16200$. Let $N$ be the number of elements in $S$. Let $n$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = N$. Let $\sigma$ be the sum of all positive divisors of $n$,...
546
graphs = [ Graph( let={ "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")), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), cond...
NT
null
COMPUTE
sympy
COMB1
[ "COMB1/B3" ]
014cfb
nt_sum_divisors_mod_v1
null
6
0
[ "B3", "COMB1" ]
2
0.004
2026-02-08T13:05:46.875750Z
{ "verified": true, "answer": 546, "timestamp": "2026-02-08T13:05:46.879308Z" }
d8d369
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 1036 }, "timestamp": "2026-02-15T09:29:35.837Z", "answer": 546 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "n...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
50a56a
nt_sum_totient_over_divisors_v1_655260480_6204
Let $n = 86243$. Define $\varphi(d)$ as Euler's totient function. Let $R$ be the sum of $\varphi(d)$ over all positive divisors $d$ of $n$. Let $S$ be the sum of $d_i \cdot (i+1)^2$ for $i$ from $0$ to the number of digits of $|R|$ minus one, where $d_i$ is the $i$-th decimal digit of $|R|$ (with $d_0$ being the units ...
413
graphs = [ Graph( let={ "n": Const(86243), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Sum(Summation(var="i", start=Const(0), end=Sub(NumDigits(x=Abs(arg=Ref(name='result')), base=None), Const(1)), expr=Mul(Digit(x=Abs(arg=Ref...
NT
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
e44d3d
nt_sum_totient_over_divisors_v1
digits_weighted_mod
4
0
[ "COUNT_CARTESIAN" ]
1
0.002
2026-02-08T18:54:54.845624Z
{ "verified": true, "answer": 413, "timestamp": "2026-02-08T18:54:54.847620Z" }
4c0c49
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 207, "completion_tokens": 4959 }, "timestamp": "2026-02-18T20:29:07.579Z", "answer": 413 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5934a8
lin_form_endings_v1_717093673_3060
Let $a = 70$ and $b = 30$. Let $d$ be the greatest common divisor of $a$ and $b$. Define $k = \left\lfloor \frac{70}{d} \right\rfloor$. Let $s = 14246 \cdot k$, and let $M = 97778$. Compute the remainder when $s$ is divided by $M$.
1,944
graphs = [ Graph( let={ "a_coeff": Const(70), "b_coeff": Const(30), "_inner_result": Floor(Div(Const(70), GCD(a=Ref("a_coeff"), b=Ref("b_coeff")))), "_scale_k": Const(14246), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.003
2026-02-08T17:21:15.360318Z
{ "verified": true, "answer": 1944, "timestamp": "2026-02-08T17:21:15.363488Z" }
57405c
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 151, "completion_tokens": 304 }, "timestamp": "2026-02-16T09:38:14.548Z", "answer": 1944 }, { "id": 11, ...
2
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
0393fb
nt_min_coprime_above_v1_124444284_7788
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 176$. Define $P$ to be the maximum value of $xy$ over all pairs in $S$. Let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = P$. Define $m$ to be the minimum value of $x + y$ over all pairs in $T$. ...
28,659
graphs = [ Graph( let={ "start": Const(28657), "upper": Const(28843), "modulus": 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")), Ma...
NT
null
EXTREMUM
sympy
B1
[ "B1/B3" ]
80b49d
nt_min_coprime_above_v1
null
6
0
[ "B1", "B3" ]
2
0.019
2026-02-08T09:22:40.206997Z
{ "verified": true, "answer": 28659, "timestamp": "2026-02-08T09:22:40.226083Z" }
d2c451
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 1749 }, "timestamp": "2026-02-14T03:34:40.994Z", "answer": 28659 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, ...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
53ce5f
modular_mod_compute_v1_677425708_3281
Let $n = 142$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = n$. Let $m$ be the maximum value of $xy$ over all such pairs. Compute the remainder when $-23$ is divided by $m$.
5,018
graphs = [ Graph( let={ "_n": Const(142), "a": Const(-23), "m": 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=...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
modular_mod_compute_v1
null
4
0
[ "B1" ]
1
0.007
2026-02-08T05:38:12.200754Z
{ "verified": true, "answer": 5018, "timestamp": "2026-02-08T05:38:12.207648Z" }
d081cf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 108, "completion_tokens": 633 }, "timestamp": "2026-02-12T11:35:11.271Z", "answer": 5018 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
4699bf
sequence_count_fib_divisible_v1_865884756_189
Let $U$ be the number of positive integers $n$ such that $1 \leq n \leq 653$ and $\gcd(n, 20) = 1$. Let $d$ be the smallest divisor of $10051$ that is at least $2$. Let $R$ be the number of positive integers $n_1$ such that $1 \leq n_1 \leq U$ and $d$ divides the $n_1$-th Fibonacci number. Compute $66666 - R$.
66,652
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(653)), Eq(GCD(a=Var("n"), b=Const(20)), Const(1))))), "d": MinOverSet(set=SolutionsSet(var=Var("d1"), condition=And(Geq(Var("d1"), Const(2)), Divide...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "C4" ]
90e51f
sequence_count_fib_divisible_v1
null
6
0
[ "C4", "MIN_PRIME_FACTOR" ]
2
0.053
2026-02-08T15:15:21.151659Z
{ "verified": true, "answer": 66652, "timestamp": "2026-02-08T15:15:21.204194Z" }
adb2cf
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 2296 }, "timestamp": "2026-02-10T05:17:56.771Z", "answer": 66652 }, { "...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "...
{ "lo": -7.09, "mid": -0.49, "hi": 6.1 }
674b86
comb_count_derangements_v1_1742523217_3519
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 410881$. Let $s$ be the sum $x + y$ over the pair $(x, y) \in S$ that minimizes $x + y$. Let $n$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 1282$ and the binomial coefficient $\binom{s}{j}$ is odd. Let $Q = !n$...
14,833
graphs = [ Graph( let={ "_n": Const(1282), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Ref("_n")), Eq(Mod(value=Binom(n=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPosit...
COMB
null
COUNT
sympy
B3
[ "B3/V8" ]
4fad5b
comb_count_derangements_v1
null
7
0
[ "B3", "V8" ]
2
0.002
2026-02-08T05:55:33.683578Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T05:55:33.685347Z" }
445bb7
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 235, "completion_tokens": 32768 }, "timestamp": "2026-02-24T04:55:22.108Z", "answer": null }, { ...
1
[ { "lemma": "B3", "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": "ok_later" },...
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
b5a88d
lin_form_endings_v1_397696148_970
Let $a = 42$ and $b = 28$. Define $s = \gcd(a, b)$. Let $k = 39$ and compute $r = \left\lfloor \frac{k}{\gcd(k, s)} \right\rfloor$. Now let $x = (16118 \cdot r) \bmod 90518$. Find the value of $x$.
85,494
graphs = [ Graph( let={ "a_coeff": Const(42), "b_coeff": Const(28), "k_val": Const(39), "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(16...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T11:59:30.583904Z
{ "verified": true, "answer": 85494, "timestamp": "2026-02-08T11:59:30.584869Z" }
e47749
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 127, "completion_tokens": 447 }, "timestamp": "2026-02-14T23:43:37.102Z", "answer": 85494 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
8bb633
modular_sum_quadratic_residues_v1_601307018_7499
Let $p$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 15$ such that $13a^2 - 2ab + 2b^2 \le \max\{ d : d \ge 1,\ d \le 2197,\ d \mid 4848779 \}$. Compute $\frac{p(p - 1)}{4}$.
9,264
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(2), "p": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(15)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(15)), Leq(Sum(Mul(Const(13), ...
NT
null
SUM
sympy
MAX_DIVISOR
[ "MAX_DIVISOR/QF_PSD_COUNT_LEQ" ]
5c8342
modular_sum_quadratic_residues_v1
null
5
0
[ "MAX_DIVISOR", "QF_PSD_COUNT_LEQ" ]
2
0.005
2026-03-10T08:01:42.481518Z
{ "verified": true, "answer": 9264, "timestamp": "2026-03-10T08:01:42.486953Z" }
d47a63
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 4409 }, "timestamp": "2026-04-19T06:53:08.045Z", "answer": 9264 }, { "...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok_later" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
274885
modular_inverse_v1_677425708_35
Let $a$ be the number of integers $t$ such that $5 \leq t \leq 408$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 114$, $1 \leq b \leq 60$, and $t = 2a + 3b$. Let $m = 661$ and let $x_0$ be the smallest positive integer $x$ such that $1 \leq x \leq 660$ and $a \cdot x \equiv 1 \pmod{m}$. Compute the...
21,485
graphs = [ Graph( let={ "_n": Const(44121), "a": 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=114)), Geq(left=...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_inverse_v1
null
6
0
[ "LIN_FORM" ]
1
0.029
2026-02-08T03:01:04.193280Z
{ "verified": true, "answer": 21485, "timestamp": "2026-02-08T03:01:04.222066Z" }
7bebd9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 265, "completion_tokens": 3818 }, "timestamp": "2026-02-08T20:16:42.391Z", "answer": 57458 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" ...
{ "lo": 3.7, "mid": 5.49, "hi": 7.55 }
691489
comb_sum_binomial_row_v1_865884756_5462
Let $n$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 15$, $1 \le i \le 14$, and $1 \le j \le 15$. Compute $2^n$.
16,384
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(15)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(14)), right=IntegerRange(start=Const(1), end=Cons...
NT
null
SUM
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_sum_binomial_row_v1
null
2
0
[ "COUNT_SUM_EQUALS" ]
1
0.011
2026-02-08T18:37:42.159684Z
{ "verified": true, "answer": 16384, "timestamp": "2026-02-08T18:37:42.170994Z" }
fbae70
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 249 }, "timestamp": "2026-02-16T13:27:11.567Z", "answer": 16384 }, { "id": 11, ...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
6c3d28
nt_num_divisors_compute_v1_655260480_168
Let $n$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 2315250$, $\gcd(p, q) = 1$, and $p < q$. Compute the remainder when $44121 \cdot \tau(n)$ is divided by $99698$, where $\tau(n)$ denotes the number of positive divisors of $n$.
76,786
graphs = [ Graph( let={ "_n": Const(99698), "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=2315250)), Eq(left=GCD(a=Var(name='p'), b=Var...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_num_divisors_compute_v1
null
4
0
[ "COPRIME_PAIRS" ]
1
0.002
2026-02-08T15:14:45.317033Z
{ "verified": true, "answer": 76786, "timestamp": "2026-02-08T15:14:45.318663Z" }
c69f86
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 131, "completion_tokens": 1315 }, "timestamp": "2026-02-16T02:51:35.080Z", "answer": 76786 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
c7b1c1
comb_count_partitions_v1_1218484723_1472
Let $n$ be the number of positive integers $t$ with $27 \le t \le 156$ such that $t = 6a + 21b$ for some integers $a, b$ with $1 \le a \le 19$, $1 \le b \le 2$. Let $M = p(n)$, where $p(n)$ denotes the number of integer partitions of $n$. Find the remainder when $44121M$ is divided by $69158$.
61,647
graphs = [ Graph( let={ "_n": Const(69158), "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=19)), Geq(left=V...
COMB
null
COUNT
sympy
STARS_BARS
[ "LIN_FORM" ]
7b2633
comb_count_partitions_v1
null
5
0
[ "LIN_FORM", "STARS_BARS" ]
2
0.01
2026-02-25T03:10:51.066278Z
{ "verified": true, "answer": 61647, "timestamp": "2026-02-25T03:10:51.076360Z" }
0828a6
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 5101 }, "timestamp": "2026-03-10T03:55:37.546Z", "answer": 61647 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -2.47, "mid": 1.2, "hi": 4.81 }
e7407a
antilemma_v1_legendre_2080023795_211
Let $p$ be the largest prime number less than or equal to 18. Determine the largest integer $k$ such that $p^k$ divides $62577!$.
3,909
graphs = [ Graph( let={ "_n": Const(18), "x": MaxKDivides(target=Factorial(Const(62577)), base=MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n")))))), }, goal=Ref("x"), ) ]
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/V1", "V1" ]
8b2738
antilemma_v1_legendre
null
4
0
[ "MAX_PRIME_BELOW", "V1" ]
2
0.001
2026-02-08T11:35:58.394669Z
{ "verified": true, "answer": 3909, "timestamp": "2026-02-08T11:35:58.395269Z" }
91dcf0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 151, "completion_tokens": 916 }, "timestamp": "2026-02-08T20:52:03.034Z", "answer": 3908 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "ok" ...
{ "lo": -2.06, "mid": 1.85, "hi": 5.2 }
831114
nt_min_coprime_above_v1_124444284_8215
Let $s = \sum_{k=1}^{31} k$. Find the smallest integer $n$ such that $57121 < n \le 57627$ and $\gcd(n, s) = 1$.
57,123
graphs = [ Graph( let={ "_n": Const(31), "start": Const(57121), "upper": Const(57627), "modulus": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Gt(Var("n"), Ref("...
NT
null
EXTREMUM
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
nt_min_coprime_above_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
0.065
2026-02-08T09:36:24.649853Z
{ "verified": true, "answer": 57123, "timestamp": "2026-02-08T09:36:24.714703Z" }
b1bfc0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 93, "completion_tokens": 616 }, "timestamp": "2026-02-14T05:10:20.866Z", "answer": 57123 }, { ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
be25ae
algebra_quadratic_discriminant_v1_677425708_3985
Let $b$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers such that $x + y = 6$. Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 216$, $\gcd(p, q) = 1$, and $p < q$. Let $k$ be the number of elements in $S$. Compute the value ...
261
graphs = [ Graph( let={ "_n": Const(4), "a": Const(-5), "b": 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(...
NT
null
COMPUTE
sympy
B3
[ "COPRIME_PAIRS", "B1" ]
aa8272
algebra_quadratic_discriminant_v1
null
5
0
[ "B1", "B3", "COPRIME_PAIRS" ]
3
0.011
2026-02-08T06:07:35.111670Z
{ "verified": true, "answer": 261, "timestamp": "2026-02-08T06:07:35.123102Z" }
eac00f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 162, "completion_tokens": 1045 }, "timestamp": "2026-02-12T19:35:42.533Z", "answer": 261 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SU...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
81d343
nt_min_crt_v1_1520064083_10048
Let $m = 4$, $a = 3$, and $b = 1$. Let $k = 7$. Define $U$ to be the sum $$ \sum_{k=1}^{d_{\text{min}}} \varphi(k) \left\lfloor \frac{7}{k} \right\rfloor, $$ where $d_{\text{min}}$ is the smallest divisor of 11011 that is at least 2. Let $x$ be the smallest positive integer not exceeding $U$ such that $x \equiv 3 \pmo...
44,496
graphs = [ Graph( let={ "m": Const(4), "k": Const(7), "a": Const(3), "b": Const(1), "upper": Summation(var="k", start=Const(1), end=MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=...
NT
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/K2" ]
352a97
nt_min_crt_v1
null
7
0
[ "K2", "MIN_PRIME_FACTOR" ]
2
0.006
2026-02-08T11:10:54.461571Z
{ "verified": true, "answer": 44496, "timestamp": "2026-02-08T11:10:54.467982Z" }
3a3a23
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 1420 }, "timestamp": "2026-02-14T10:48:24.229Z", "answer": 44496 }, ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
24b258
alg_poly_orbit_legendre_v1_601307018_2753
Let $a$ be a non-negative integer with $0 \le a \le 40526$. Define $N = a^{39} \bmod 79$, $M = (a^4 + 2a^3 - a - 3) \bmod 79$, $R = M^{39} \bmod 79$, and $S = N + R$. Define $T = (M^4 + 2M^3 - M - 3) \bmod 79$. Find the number of such $a$ for which $T = a$, $S \equiv 0 \pmod{3}$, and $M \ne a$.
1,026
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(4)), Mul(Const(2), Pow(Var("a"), Const(3))), Mul(Const(-1), Var("a")), Const(-3)), modulus=Const(79)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(4)), Mul(Const(2), Pow(Ref("p1"), Const(3))), Mul(Const(-1), Ref("p1")), Con...
NT
null
COUNT
sympy
POLY_ORBIT_LEGENDRE_COUNT
[ "POLY_ORBIT_LEGENDRE_COUNT" ]
b47831
alg_poly_orbit_legendre_v1
null
8
null
[ "POLY_ORBIT_LEGENDRE_COUNT" ]
1
0.048
2026-03-10T03:24:20.903358Z
{ "verified": true, "answer": 1026, "timestamp": "2026-03-10T03:24:20.951720Z" }
6569c1
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 253, "completion_tokens": 12434 }, "timestamp": "2026-04-18T23:00:17.681Z", "answer": 0 }, { "...
0
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "POLY_ORBIT_LEGENDRE_COUNT", "status": "ok" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": 2.12, "mid": 5.37, "hi": 8.63 }
11e8b5
sequence_fibonacci_compute_v1_124444284_1639
Let $c$ be the minimum value of $x + y$ over all ordered pairs of positive integers $(x, y)$ such that $xy = 1827904$. Let $F_n$ denote the $n$th Fibonacci number, where $F_{22}$ is computed with $F_1 = 1$, $F_2 = 1$, and $F_n = F_{n-1} + F_{n-2}$ for $n \geq 3$. Find the remainder when $c - F_{22}$ is divided by $5811...
43,108
graphs = [ Graph( let={ "_n": Const(58115), "n": Const(22), "result": Fibonacci(arg=Ref(name='n')), "_c": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name=...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
fc629c
sequence_fibonacci_compute_v1
negation_mod
4
0
[ "B3" ]
1
0.002
2026-02-08T04:03:55.941649Z
{ "verified": true, "answer": 43108, "timestamp": "2026-02-08T04:03:55.943603Z" }
3e3bca
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": 1183 }, "timestamp": "2026-02-10T15:21:17.135Z", "answer": 43108 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
6bd8df
modular_mod_compute_v1_1915831931_903
Let $a = -800$. Define $m$ to be the number of integers $t$ such that $8 \leq t \leq 6780$ and there exist positive integers $a'$ and $b'$ with $1 \leq a' \leq 561$, $1 \leq b' \leq 1325$, and $t = 5a' + 3b'$. Compute the remainder when $a$ is divided by $m$.
5,965
graphs = [ Graph( let={ "a": Const(-800), "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=561)), Geq(left=Va...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_mod_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T15:45:43.042888Z
{ "verified": true, "answer": 5965, "timestamp": "2026-02-08T15:45:43.045543Z" }
940fd1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 5213 }, "timestamp": "2026-02-16T12:25:18.594Z", "answer": 5965 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
13a723
comb_binomial_compute_v1_898971024_183
Let $ n $ be the largest prime number less than or equal to 14. Let $ k = 6 $. Compute $ \binom{n}{k} $, and then find the remainder when $ 69931 $ times this binomial coefficient is divided by 85379.
44,101
graphs = [ Graph( let={ "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_n")), Leq(Var("n1"), Const(14)), IsPrime(Var("n1"))))), "k": Const(6), "result": Binom(n=Ref("n"), k=Ref("k")), "_c": Const(6...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_binomial_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T15:16:17.150157Z
{ "verified": true, "answer": 44101, "timestamp": "2026-02-08T15:16:17.153490Z" }
3ab009
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 104, "completion_tokens": 795 }, "timestamp": "2026-02-16T02:42:33.063Z", "answer": 44101 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
10b0e6
nt_max_prime_below_v1_1520064083_3721
Let $c$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 24$, $\gcd(p, q) = 1$, and $p < q$. Let $n$ be the largest prime number such that $c \leq n \leq 36100$. Compute the remainder when $44121 \cdot n$ is divided by $59218$.
26,845
graphs = [ Graph( let={ "upper": Const(36100), "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
0.856
2026-02-08T05:50:07.414878Z
{ "verified": true, "answer": 26845, "timestamp": "2026-02-08T05:50:08.271210Z" }
27965d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 137, "completion_tokens": 3178 }, "timestamp": "2026-02-12T16:16:30.021Z", "answer": 26845 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
238130
geo_count_lattice_rect_v1_153355830_313
Let $a = 444$ and $b = 130$. Compute the number of lattice points $(x, y)$ such that $0 \leq x \leq a$ and $0 \leq y \leq b$.
58,295
graphs = [ Graph( let={ "a": Const(444), "b": Const(130), "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
0.007
2026-02-08T03:02:21.942225Z
{ "verified": true, "answer": 58295, "timestamp": "2026-02-08T03:02:21.949714Z" }
4a0da0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 160, "completion_tokens": 192 }, "timestamp": "2026-02-10T12:26:55.369Z", "answer": 58295 }, { "i...
1
[]
{ "lo": -7.18, "mid": -4.99, "hi": -3 }
860ada
comb_count_surjections_v1_124444284_10115
Let $t$ be an integer between 5 and 12, inclusive. A pair of positive integers $(a, b)$ with $1 \le a \le 3$ and $1 \le b \le 2$ is called $t$-valid if $t = 2a + 3b$. Define $n$ to be the number of values of $t$ for which at least one $t$-valid pair exists. Let $k$ be the number of ordered pairs $(i, j)$ of positive in...
1,800
graphs = [ Graph( let={ "_n": Const(6), "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=3)), Geq(left=Var(na...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
7b3310
comb_count_surjections_v1
null
6
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.02
2026-02-08T12:50:09.672251Z
{ "verified": true, "answer": 1800, "timestamp": "2026-02-08T12:50:09.692333Z" }
9e86ed
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 283, "completion_tokens": 1135 }, "timestamp": "2026-02-24T16:30:39.772Z", "answer": 1800 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_F...
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
210fb5
comb_binomial_compute_v1_1978505735_2925
Let $n$ be the number of integers $t$ such that $10 \leq t \leq 38$ and $t = 4a + 6b$ for some integers $a$, $b$ with $1 \leq a \leq 5$ and $1 \leq b \leq 3$. Let $Q = \binom{n}{6}$. Find the remainder when $65500 \cdot Q$ is divided by $94183$.
37,681
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=5)), Geq(left=Var(name='b'), right=Const(value=1...
ALG
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_binomial_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T17:15:46.685052Z
{ "verified": true, "answer": 37681, "timestamp": "2026-02-08T17:15:46.687072Z" }
b1d81e
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": 1650 }, "timestamp": "2026-02-17T22:49:58.510Z", "answer": 37681 }, ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
aec85e
modular_min_linear_v1_1742523217_515
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 11957764$. Let $a$ be the minimum value of $x + y$ over all such pairs. Let $b = 22118$ and $m = 26582$. Compute the smallest integer $x$ such that $x \geq \sum_{d\mid \gcd(15,22)} \mu(d)$, $x \leq m$, and $ax \equiv b \pmod{m}$.
9,270
graphs = [ Graph( let={ "a": 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(11957764)))), expr=Sum(Var("x"), Var("y")))), "b": Const(221...
NT
null
EXTREMUM
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME", "B3" ]
233389
modular_min_linear_v1
null
7
0
[ "B3", "MOBIUS_COPRIME" ]
2
2.212
2026-02-08T03:05:33.685156Z
{ "verified": true, "answer": 9270, "timestamp": "2026-02-08T03:05:35.897190Z" }
9a024a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 228, "completion_tokens": 5231 }, "timestamp": "2026-02-09T19:02:27.874Z", "answer": 9270 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_MUL", "status...
{ "lo": -6.51, "mid": -0.31, "hi": 5.43 }
db5cfa
geo_count_lattice_rect_v1_1125832087_2370
Compute the number of lattice points in the rectangle $[0, 300] \times [0, 288]$, including the boundary.
86,989
graphs = [ Graph( let={ "a": Const(300), "b": Const(288), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Abs(arg=Ref(name='result')), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T04:34:30.430373Z
{ "verified": true, "answer": 86989, "timestamp": "2026-02-08T04:34:30.430974Z" }
37e466
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 335 }, "timestamp": "2026-02-24T01:00:54.575Z", "answer": 86989 }, { "i...
1
[]
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
acb8e2
nt_sum_gcd_range_mod_v1_124444284_10078
Let $P$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 23059204$. Define $N$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $P$. Let $k$ be the number of positive integers $n$ such that $1 \leq n \leq 673$ and the sum of the digits of $n$ is even. Define $S = \sum_{n=1}^{N} \g...
8,601
graphs = [ Graph( let={ "_n": Const(673), "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(23059204)))), expr=Sum(Var("x"), Var("y"))...
NT
null
COMPUTE
sympy
L3B
[ "L3B", "B3" ]
e8deef
nt_sum_gcd_range_mod_v1
null
6
0
[ "B3", "L3B" ]
2
0.463
2026-02-08T12:48:55.984716Z
{ "verified": true, "answer": 8601, "timestamp": "2026-02-08T12:48:56.448005Z" }
f0261a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 173, "completion_tokens": 5022 }, "timestamp": "2026-02-15T05:33:06.543Z", "answer": 8601 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3B", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma"...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
19ed30
comb_count_derangements_v1_548369836_332
Let $n$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 16$. Let $Q$ be the remainder when $44121 \cdot !n$ is divided by $67490$, where $!n$ denotes the subfactorial of $n$. Compute $Q$.
63,753
graphs = [ Graph( let={ "_n": Const(44121), "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(16)))), expr=Sum(Var("x"), Var("y")))), ...
COMB
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
comb_count_derangements_v1
null
4
0
[ "B3" ]
1
0.001
2026-02-08T02:52:09.781241Z
{ "verified": true, "answer": 63753, "timestamp": "2026-02-08T02:52:09.782178Z" }
94be5f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 4156 }, "timestamp": "2026-02-08T20:21:44.541Z", "answer": 63753 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "n...
{ "lo": 0.04, "mid": 1.71, "hi": 3.18 }
f0d793
comb_count_permutations_fixed_v1_677425708_2667
Let $n = 7$ and $k = \sum_{k=1}^{2} k$. Compute $\binom{n}{k} \cdot !{(n-k)}$, where $!m$ denotes the number of derangements of $m$ elements. Let $Q$ be the sum of the number of positive divisors of all integers from 1 to the absolute value of this result. Find the value of $Q$.
1,867
graphs = [ Graph( let={ "_n": Const(2), "n": Const(7), "k": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name='k')))), "Q": Summati...
NT
COMB
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
comb_count_permutations_fixed_v1
null
6
0
[ "SUM_ARITHMETIC" ]
1
0.001
2026-02-08T05:10:50.477718Z
{ "verified": true, "answer": 1867, "timestamp": "2026-02-08T05:10:50.478839Z" }
2cf353
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 203, "completion_tokens": 1802 }, "timestamp": "2026-02-11T23:03:56.744Z", "answer": 1867 }, { "...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
6cfec4
lin_form_endings_v1_1520064083_7772
Let $a = 24$ and $b = 42$. Define $d = \gcd(a, b)$. Let $x$ be the remainder when $7516 \cdot d$ is divided by $57480$. Find the value of $x$.
45,096
graphs = [ Graph( let={ "a_coeff": Const(24), "b_coeff": Const(42), "_inner_result": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "_scale_k": Const(7516), "_scaled": Mul(Ref("_scale_k"), Ref("_inner_result")), "_mod_M": Const(57480), ...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0
2026-02-08T09:18:17.745495Z
{ "verified": true, "answer": 45096, "timestamp": "2026-02-08T09:18:17.745890Z" }
3d9e34
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 116, "completion_tokens": 307 }, "timestamp": "2026-02-15T20:36:51.385Z", "answer": 45096 }, { "id": 11, ...
2
[ { "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": -9.12, "mid": -6.02, "hi": -3.62 }
1c6ae4
antilemma_sum_factor_cartesian_v1_677425708_1027
Let $a = \gcd(3, 5)$. Compute $\sum_{d\mid a} \mu(d)$, where $\mu$ is the M\"obius function. Let $T$ be the set of all ordered pairs $(i, j)$ of positive integers with $1 \leq i \leq 7$ and $1 \leq j \leq 27$. Define $S$ as the subset of $T$ consisting of all pairs $(i, j)$ for which the computed sum equals 1. For each...
57,834
graphs = [ Graph( let={ "x": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=SumOverDivisors(n=GCD(a=Const(value=3), b=Const(value=5)), var='d', expr=MoebiusMu(n=Var(name='d'))), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(7)...
NT
null
COMPUTE
sympy
SUM_FACTOR_CARTESIAN
[ "SUM_FACTOR_CARTESIAN", "MOBIUS_COPRIME" ]
1428b5
antilemma_sum_factor_cartesian_v1
null
3
0
[ "MOBIUS_COPRIME", "SUM_FACTOR_CARTESIAN" ]
2
0.001
2026-02-08T03:57:21.582906Z
{ "verified": true, "answer": 57834, "timestamp": "2026-02-08T03:57:21.583665Z" }
3efd5c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 289, "completion_tokens": 1567 }, "timestamp": "2026-02-09T15:01:03.955Z", "answer": 57834 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" ...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
caa00d
nt_sum_divisors_range_v1_1248542787_506
Let $S$ be the set of all positive integers $n$ such that $n \geq \sum_{d \mid \gcd(5,7)} \mu(d)$ and $n \leq 10080$, where $\mu$ denotes the M\"obius function. Let $\text{result}$ be the sum of the number of positive divisors of each element in $S$. Compute the remainder when $44121 \cdot \text{result}$ is divided by ...
7,806
graphs = [ Graph( let={ "upper": Const(10080), "result": SumOverSet(set=MapOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), SumOverDivisors(n=GCD(a=Const(value=5), b=Const(value=7)), var='d', expr=MoebiusMu(n=Var(name='d')))), Leq(Var("n"), Ref("upper")))), expr=Num...
NT
null
SUM
sympy
MOBIUS_COPRIME
[ "MOBIUS_COPRIME" ]
ac54ac
nt_sum_divisors_range_v1
null
4
0
[ "MOBIUS_COPRIME" ]
1
0.585
2026-02-08T03:10:54.491140Z
{ "verified": true, "answer": 7806, "timestamp": "2026-02-08T03:10:55.076352Z" }
4c0b76
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 216, "completion_tokens": 7045 }, "timestamp": "2026-02-09T17:38:20.945Z", "answer": 7806 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOBIUS_COPRIME", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
d8ffd1
algebra_poly_eval_v1_2051736721_1726
Let $t = 5$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 4$. Let $P$ be the set of all products $xy$ for such pairs. Let $M$ be the maximum value in $P$. Define $\text{result} = 2 \cdot t^M - 9 \cdot t^3 + t^2 + t + 6$. Compute the remainder when $82778 \cdot \text{result}$ is...
24,733
graphs = [ Graph( let={ "_n": Const(2), "t": Const(5), "result": Sum(Mul(Const(2), Pow(Ref("t"), 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"...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
algebra_poly_eval_v1
null
3
0
[ "B1" ]
1
0.004
2026-02-08T16:10:50.651788Z
{ "verified": true, "answer": 24733, "timestamp": "2026-02-08T16:10:50.655418Z" }
67b159
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": 872 }, "timestamp": "2026-02-16T22:37:19.069Z", "answer": 24733 }, {...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
468db2
alg_poly4_min_v1_1419126231_1736
Let $Q$ be the minimum value of the expression $3050016a^4 - 15250080a^3b + 29737656a^2b^2 - 26687640ab^3 + 9245361b^4$ over all ordered pairs $(a, b)$ of positive integers such that $1 \leq a \leq \min\{x + y \mid x, y > 0,\, xy = 22500\}$ and $1 \leq b \leq 300$. Find $Q$.
95,313
graphs = [ Graph( let={ "_n": Const(4), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=A...
ALG
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
alg_poly4_min_v1
null
6
0
[ "B3" ]
1
0.224
2026-02-25T11:14:50.685373Z
{ "verified": true, "answer": 95313, "timestamp": "2026-02-25T11:14:50.909580Z" }
87b942
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 229, "completion_tokens": 13387 }, "timestamp": "2026-03-30T13:39:42.602Z", "answer": 103121 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
b44900
modular_count_residue_v1_717093673_2619
Let $m = 12$ and $r = 0$. Define $\text{result}$ to be the number of integers $n$ such that $1 \leq n \leq 67600$ and $n \equiv r \pmod{m}$. Let $S$ be the set of all positive integers $d$ such that $1 \leq d \leq 14$ and $d$ divides the number of positive integers $n_1$ satisfying $1 \leq n_1 \leq 797$ and $\gcd(n_1, ...
5,665
graphs = [ Graph( let={ "_m": Const(12), "_n": Const(75130), "upper": Const(67600), "m": Const(12), "r": Const(0), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")),...
NT
null
COUNT
sympy
C4
[ "C4/MAX_DIVISOR" ]
911b84
modular_count_residue_v1
mod_exp
4
0
[ "C4", "MAX_DIVISOR" ]
2
4.06
2026-02-08T17:00:41.528229Z
{ "verified": true, "answer": 5665, "timestamp": "2026-02-08T17:00:45.588132Z" }
95c5d1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 202, "completion_tokens": 1172 }, "timestamp": "2026-02-17T17:05:29.475Z", "answer": 5665 }, {...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" }, { "lemma": "V8", "status": "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
bf3909
algebra_quadratic_discriminant_v1_784195855_2236
Let $a = -5$, $b = -7$, and $n = 2$. Define $c = \sum_{k=1}^{2} \phi(k) \left\lfloor \frac{n}{k} \right\rfloor$. Let $D = b^2 - 4ac$. Define $r = 2$ if $D > 0$, $r = 1$ if $D = 0$, and $r = 0$ if $D < 0$. Compute $41708 \cdot r$.
83,416
graphs = [ Graph( let={ "_n": Const(2), "a": Const(-5), "b": Const(-7), "c": Summation(var="k", start=Const(1), end=Const(2), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "D": Sub(Pow(Ref("b"), Const(2)), Mul(Const(4), Ref("a")...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
algebra_quadratic_discriminant_v1
null
5
0
[ "K2" ]
1
0.003
2026-02-08T05:37:13.975612Z
{ "verified": true, "answer": 83416, "timestamp": "2026-02-08T05:37:13.978714Z" }
3fa189
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 376 }, "timestamp": "2026-02-11T22:56:02.652Z", "answer": 83416 }, { "id": 11, ...
2
[ { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -10, "mid": -7.73, "hi": -5.46 }
96902c
antilemma_k3_v1_717093673_3803
Let $n = 70063$. Define $x = \sum_{d \mid n} \phi(d)$, where $\phi$ is Euler's totient function. Find the value of $63822x \mod 77249$.
2,421
graphs = [ Graph( let={ "_n": Const(70063), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(63822), Ref("x")), modulus=Const(77249)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T17:52:21.428006Z
{ "verified": true, "answer": 2421, "timestamp": "2026-02-08T17:52:21.428888Z" }
a7443d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 95, "completion_tokens": 1556 }, "timestamp": "2026-02-18T09:00:33.012Z", "answer": 2421 }, { ...
1
[ { "lemma": "K17", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0eaed5
comb_count_derangements_v1_784195855_4987
Let $T$ be the set of all integers $t$ such that $5 \le t \le 15$ and there exist positive integers $a \le 3$ and $b \le 3$ satisfying $t = 3a + 2b$. Let $m$ be the number of elements in $T$. Let $n$ be the largest prime number satisfying $2 \le n \le m$. Compute the number of derangements of $n$ elements.
1,854
graphs = [ Graph( let={ "_n": Const(2), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), 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=Var(...
NT
COMB
COUNT
sympy
LIN_FORM
[ "LIN_FORM/MAX_PRIME_BELOW" ]
47006e
comb_count_derangements_v1
null
5
0
[ "LIN_FORM", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T07:32:41.609012Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T07:32:41.610581Z" }
4265fe
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 148, "completion_tokens": 942 }, "timestamp": "2026-02-13T11:13:46.540Z", "answer": 1854 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MAX_VA...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
730483
geo_count_lattice_rect_v1_1915831931_3426
Compute the number of lattice points $(x, y)$ satisfying $0 \le x \le 77$ and $0 \le y \le 137$.
10,764
graphs = [ Graph( let={ "a": Const(77), "b": Const(137), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
2
0
null
null
0.001
2026-02-08T17:39:45.668339Z
{ "verified": true, "answer": 10764, "timestamp": "2026-02-08T17:39:45.669716Z" }
c4c635
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": 707 }, "timestamp": "2026-02-24T22:50:05.699Z", "answer": 10764 }, { ...
1
[]
{ "lo": -8.52, "mid": -5.43, "hi": -3.2 }
85809a
comb_catalan_compute_v1_2051736721_3195
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 22$. Let $C_n$ denote the $n$th Catalan number. Compute the remainder when $$ 50625 - C_n $$ is divided by $54519$.
46,358
graphs = [ Graph( let={ "_n": Const(22), "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")), Re...
COMB
null
COMPUTE
sympy
COMB1
[ "COMB1" ]
567f58
comb_catalan_compute_v1
null
4
0
[ "COMB1" ]
1
0.002
2026-02-08T17:10:20.413447Z
{ "verified": true, "answer": 46358, "timestamp": "2026-02-08T17:10:20.415424Z" }
bd5764
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 118, "completion_tokens": 746 }, "timestamp": "2026-02-17T20:45:39.479Z", "answer": 46358 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -5.64, "mid": -3.17, "hi": -0.81 }
82d1d2
nt_count_gcd_equals_v1_124444284_7403
Let $a$ and $b$ be positive integers such that $ab = 56169$. Define $k$ to be the minimum value of $a + b$ over all such pairs $(a, b)$. Let $d = 3$ and $U = 29584$. Compute the number of positive integers $n \leq U$ such that $\gcd(n, k) = d$, and denote this count by $C$. Find the value of $11664 - C$.
6,795
graphs = [ Graph( let={ "upper": Const(29584), "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(56169)))), expr=Sum(Var("x"), Var("y"...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_gcd_equals_v1
null
5
0
[ "B3" ]
1
2.748
2026-02-08T09:06:29.593967Z
{ "verified": true, "answer": 6795, "timestamp": "2026-02-08T09:06:32.342102Z" }
6c3558
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 147, "completion_tokens": 1225 }, "timestamp": "2026-02-14T00:30:29.911Z", "answer": 6795 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" } ]
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
88b798
sequence_count_fib_divisible_v1_784195855_6108
Let $P$ be the number of prime numbers $p$ such that $2 \leq p \leq 4679$. Compute the remainder when $88185$ times the number of positive integers $n \leq P$ for which the $n$th Fibonacci number is divisible by $13$, is divided by $99974$.
38,704
graphs = [ Graph( let={ "_n": Const(4679), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "d": Const(13), "result": CountOverSet(set=SolutionsSet(var=Var("n"), conditi...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
sequence_count_fib_divisible_v1
null
6
0
[ "COUNT_PRIMES" ]
1
0.078
2026-02-08T08:20:07.657979Z
{ "verified": true, "answer": 38704, "timestamp": "2026-02-08T08:20:07.736248Z" }
b240c8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 115, "completion_tokens": 1969 }, "timestamp": "2026-02-13T18:15:36.367Z", "answer": 38704 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
d704dc
antilemma_v1_legendre_1116507919_251
Determine the largest integer $x$ such that $2^x$ divides $1818!$.
1,812
graphs = [ Graph( let={ "_n": Const(2), "x": MaxKDivides(target=Factorial(Const(1818)), base=Ref("_n")), }, goal=Ref("x"), ) ]
NT
null
COMPUTE
sympy
V1
[ "V1" ]
dae96f
antilemma_v1_legendre
null
3
0
[ "V1" ]
1
0
2026-02-08T02:29:53.727143Z
{ "verified": true, "answer": 1812, "timestamp": "2026-02-08T02:29:53.727385Z" }
577cd4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 780 }, "timestamp": "2026-02-08T19:16:39.404Z", "answer": 1812 }, { "id...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -4.6, "mid": 0.19, "hi": 4.77 }
06ba1f
nt_count_divisible_v1_1439011603_2928
Let $n = 8$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = n$. Let $P$ be the set of all values of $xy$ as $(x, y)$ ranges over this set. Let $d$ be the maximum element of $P$. Now, let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 39204$ and $$ n \equi...
2,450
graphs = [ Graph( let={ "_n": Const(8), "upper": Const(39204), "divisor": 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")...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "B1" ]
6d96ac
nt_count_divisible_v1
null
5
0
[ "B1", "BINOMIAL_ALTERNATING" ]
2
1.401
2026-02-08T17:05:43.285101Z
{ "verified": true, "answer": 2450, "timestamp": "2026-02-08T17:05:44.686057Z" }
37fcdf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 186, "completion_tokens": 809 }, "timestamp": "2026-02-24T22:12:03.622Z", "answer": 2450 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS"...
{ "lo": -8.52, "mid": -5.43, "hi": -3.2 }
6651ba
nt_count_coprime_and_v1_1439011603_1877
Let $p$ be the largest prime number less than or equal to 7888. Compute the number of positive integers $n$ such that $1 \leq n \leq p$, $\gcd(n, 5) = 1$, and $\gcd(n, 7) = 1$.
5,406
graphs = [ Graph( let={ "upper": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(7888)), IsPrime(Var("n"))))), "k1": Const(5), "k2": Const(7), "result": CountOverSet(set=SolutionsSet(var=Var("n1"), condition...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
nt_count_coprime_and_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
1.045
2026-02-08T16:20:36.919488Z
{ "verified": true, "answer": 5406, "timestamp": "2026-02-08T16:20:37.964201Z" }
5ec460
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 108, "completion_tokens": 1288 }, "timestamp": "2026-02-17T01:40:33.871Z", "answer": 5406 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "stat...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
992491
diophantine_fbi2_count_v1_1470522791_162
Let $m = 9$ and $k = 240$. Define $S$ as the set of all positive integers $x$ and $y$ such that $xy = m$. Let $T$ be the set of all sums $x + y$ where $(x, y) \in S$. Let $a$ be the minimum element of $T$. Let $D$ be the sum of $\phi(d)$ over all positive divisors $d$ of $1049$. Consider the set of integers $n$ such t...
65,496
graphs = [ Graph( let={ "_m": Const(9), "_n": Const(92303), "k": Const(240), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(Is...
NT
null
COUNT
sympy
K3
[ "K3/L3C", "B3" ]
0cdb86
diophantine_fbi2_count_v1
null
7
0
[ "B3", "K3", "L3C" ]
3
0.024
2026-02-08T12:51:33.383681Z
{ "verified": true, "answer": 65496, "timestamp": "2026-02-08T12:51:33.407483Z" }
1fed94
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 299, "completion_tokens": 3676 }, "timestamp": "2026-02-15T07:08:54.736Z", "answer": 65496 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3C", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
40a43c
nt_count_phi_equals_v1_2051736721_1945
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 78$. Define $P$ to be the maximum value of $xy$ over all such pairs. Let $k = 1102$. 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. Comput...
17,710
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(78)))), expr=Mul(Var("x"), Var("y")))), "k": Const(1102)...
NT
null
COUNT
sympy
B1
[ "B1" ]
5b950e
nt_count_phi_equals_v1
null
6
0
[ "B1" ]
1
0.183
2026-02-08T16:22:43.066578Z
{ "verified": true, "answer": 17710, "timestamp": "2026-02-08T16:22:43.249647Z" }
150071
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 149, "completion_tokens": 4267 }, "timestamp": "2026-02-17T02:39:49.300Z", "answer": 17710 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
f6cc18
antilemma_k3_v1_2051736721_2825
Let $ n = 95895 $. Define $$ \sum_{d \mid n} \phi(d), $$ where $ \phi $ denotes Euler's totient function and the sum is taken over all positive divisors $ d $ of $ n $. Compute this sum.
95,895
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=95895), 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
2026-02-08T16:55:27.654647Z
{ "verified": true, "answer": 95895, "timestamp": "2026-02-08T16:55:27.655221Z" }
af02c7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 99, "completion_tokens": 789 }, "timestamp": "2026-02-17T14:54:16.451Z", "answer": 95895 }, { ...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a295f7
nt_sum_over_divisible_v1_1431428450_1058
Let $u = 49284$ and $d = 172$. Define $S$ to be the set of all positive integers $n$ such that $1 \leq n \leq u$ and $n$ is divisible by $d$. Let $s$ be the sum of all elements in $S$. Compute the remainder when $37157 \cdot s$ is divided by $83138$.
38,170
graphs = [ Graph( let={ "upper": Const(49284), "divisor": Const(172), "result": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("divisor")), Const(0))))), "_c": Co...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM/COUNT_SUM_EQUALS", "BINOMIAL_ALTERNATING" ]
bf26d3
nt_sum_over_divisible_v1
null
3
0
[ "BINOMIAL_ALTERNATING", "COUNT_SUM_EQUALS", "LIN_FORM" ]
3
4.312
2026-02-08T13:52:50.415015Z
{ "verified": true, "answer": 38170, "timestamp": "2026-02-08T13:52:54.727343Z" }
ed52e8
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": 2929 }, "timestamp": "2026-02-15T21:33:29.158Z", "answer": 38170 }, ...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok_later" }, { "lemma": "DS2", "status": "no" }, { "lemma": ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
d21415_l
comb_sum_binomial_mod_v1_458359167_21
Let $n = 143$. Define $$ S = \sum_{k=20}^{122} \binom{172}{k}. $$ Let $r$ be the remainder when $S$ is divided by $10729$. Let $d_{\text{min}}$ be the smallest divisor of $n$ that is at least $2$. Compute the Bell number $B_r$, where the index is taken modulo $d_{\text{min}}$. That is, compute $B_{r \bmod d_{\text{min}...
1
NT
COMB
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
58d7e9
comb_sum_binomial_mod_v1
bell_mod
7
0
[ "MIN_PRIME_FACTOR" ]
1
0.07
2026-02-08T02:57:08.111914Z
{ "verified": false, "answer": 52, "timestamp": "2026-02-08T02:57:08.182304Z" }
86062e
d21415
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 233, "completion_tokens": 32768 }, "timestamp": "2026-02-23T20:34:59.789Z", "answer": null }, { ...
0
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": 4.56, "mid": 6.51, "hi": 9.5 }