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2eb9d5
nt_count_intersection_v1_53965629_55
Let $d_0$ be the smallest integer greater than or equal to 2 that divides 1037153. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq 35000$ and $d_0$ divides the $n$-th Fibonacci number. Let $T$ be the set of positive integers $n$ such that $1 \leq n \leq N$, $7$ divides $n$, and $\gcd(n, 15) = 1$...
8,573
graphs = [ Graph( let={ "_n": Const(58718), "N": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(35000)), Divides(divisor=MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), ...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/COUNT_FIB_DIVISIBLE" ]
f5c873
nt_count_intersection_v1
null
7
0
[ "COUNT_FIB_DIVISIBLE", "MIN_PRIME_FACTOR" ]
2
0.372
2026-02-08T11:15:45.364677Z
{ "verified": true, "answer": 8573, "timestamp": "2026-02-08T11:15:45.737062Z" }
3fc112
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 263, "completion_tokens": 4273 }, "timestamp": "2026-02-09T11:23:53.385Z", "answer": 8573 }, { "i...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "...
{ "lo": -5.5, "mid": -0.08, "hi": 5.44 }
2dd81d
antilemma_k3_v1_1470522791_158
Let $n = 40162$. Define $x$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $n$, where $\phi$ denotes Euler's totient function. Let $c = 64327$. Compute the remainder when $c \cdot x$ is divided by $90243$.
24,370
graphs = [ Graph( let={ "_n": Const(40162), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": Const(64327), "Q": Mod(value=Mul(Ref("_c"), Ref("x")), modulus=Const(90243)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T12:51:13.863480Z
{ "verified": true, "answer": 24370, "timestamp": "2026-02-08T12:51:13.864300Z" }
304d77
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 2940 }, "timestamp": "2026-02-15T07:08:22.073Z", "answer": 24370 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8", "status": "no" ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
60fbe2
comb_count_permutations_fixed_v1_809748730_1446
Let $m = 15880$. Let $\ell$ be the largest prime number such that $2 \leq \ell \leq 9$. Let $k$ be the largest positive integer such that $\ell^k \leq m$. Define $n = 8$. Compute the value of $\binom{n}{k} \cdot !(n - k)$, where $!r$ denotes the number of derangements of $r$ elements.
630
graphs = [ Graph( let={ "_m": Const(15880), "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(9)), IsPrime(Var("n"))))), "n": Const(8), "k": MaxOverSet(set=SolutionsSet(var=Var("k"), condition=Leq(Pow(Re...
NT
COMB
COUNT
sympy
LIN_FORM
[ "MAX_PRIME_BELOW/MAX_VAL" ]
b2f06b
comb_count_permutations_fixed_v1
null
5
0
[ "LIN_FORM", "MAX_PRIME_BELOW", "MAX_VAL" ]
3
0.018
2026-02-08T12:25:40.869813Z
{ "verified": true, "answer": 630, "timestamp": "2026-02-08T12:25:40.887397Z" }
b8fb71
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": 796 }, "timestamp": "2026-02-15T01:18:14.329Z", "answer": 630 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "ok_later" }, { ...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
f0c4f3
diophantine_fbi2_min_v1_151522320_424
Let $k = 360$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 9$. For each such pair, compute the sum $x + y$. Let $m$ be the minimum value of these sums. Now, let $D$ be the set of all integers $d$ such that $4 \leq d \leq 370$, $d$ divides $k$, and $\frac{k}{d} \geq m$. Let $d_{\...
51,322
graphs = [ Graph( let={ "_n": Const(44121), "k": Const(360), "upper": Const(370), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(4)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref(...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
diophantine_fbi2_min_v1
null
4
0
[ "B3" ]
1
0.019
2026-02-08T03:14:42.244840Z
{ "verified": true, "answer": 51322, "timestamp": "2026-02-08T03:14:42.263882Z" }
b5e705
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 262, "completion_tokens": 794 }, "timestamp": "2026-02-10T13:28:53.985Z", "answer": 51222 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
03a8c1
lin_form_endings_v1_1918700295_4466
Let $a = 42$ and $b = 56$. Compute $\text{lcm}(a, b)$, and define $s = 3 \cdot \text{lcm}(a, b) + a + b$. Multiply $s$ by $13297$, and let $x$ be the remainder when this product is divided by $95986$. Compute $x$.
37,956
graphs = [ Graph( let={ "a_coeff": Const(42), "b_coeff": Const(56), "k_val": Const(3), "lcm_node": LCM(a=Ref("a_coeff"), b=Ref("b_coeff")), "_inner_result": Sum(Mul(Ref("k_val"), Ref("lcm_node")), Ref("a_coeff"), Ref("b_coeff")), "_scal...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T09:23:43.254837Z
{ "verified": true, "answer": 37956, "timestamp": "2026-02-08T09:23:43.255887Z" }
b55566
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 125, "completion_tokens": 533 }, "timestamp": "2026-02-14T04:01:48.076Z", "answer": 37956 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
d21577
diophantine_product_count_v1_124444284_6005
Let $k = 60$ and $u = 54$. Compute the number of positive integers $x$ such that $1 \leq x \leq u$, $x$ divides $k$, and $\frac{k}{x} \leq u$.
10
graphs = [ Graph( let={ "k": Const(60), "upper": Const(54), "result": CountOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), Const(1)), Leq(Var("x"), Ref("upper")), Divides(divisor=Var("x"), dividend=Ref("k")), Leq(Div(Ref("k"), Var("x")), Ref("upper"))))...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_product_count_v1
null
3
0
[ "B3" ]
1
0.044
2026-02-08T06:58:26.868513Z
{ "verified": true, "answer": 10, "timestamp": "2026-02-08T06:58:26.912435Z" }
21424f
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": 1117 }, "timestamp": "2026-02-13T06:24:43.952Z", "answer": 10 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
0fc793
alg_qf_psd_orbit_v1_1419126231_828
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq b \leq 465$ such that $$ 34a^2 + 34b^2 - 60ab = 1064200. $$
5
graphs = [ Graph( let={ "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(465)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(465)), Leq(Var("a"), Var("b")), Eq(Sum(Mul(Const(34), Pow(Var("b"), Const(2))),...
ALG
null
COUNT
sympy
QF_PSD_ORBIT
[ "QF_PSD_DISTINCT/QF_PSD_DISTINCT", "B3/QF_PSD_DISTINCT" ]
fa89e7
alg_qf_psd_orbit_v1
null
3
null
[ "B3", "QF_PSD_DISTINCT", "QF_PSD_ORBIT" ]
3
1.417
2026-02-25T10:18:30.060991Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-25T10:18:31.478442Z" }
a5aafe
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 167, "completion_tokens": 10509 }, "timestamp": "2026-03-30T10:08:08.004Z", "answer": 5 }, { "id"...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
34e881
diophantine_fbi2_count_v1_677425708_1758
Let $n = 2$ and $k = 840$. Consider the set of all integers $d$ such that $d \geq n$, $d \leq 90$, $d$ divides $k$, $\frac{k}{d} \geq 2$, and $\frac{k}{d} \leq 90$. Compute the number of elements in this set.
16
graphs = [ Graph( let={ "_n": Const(2), "k": Const(840), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Leq(Var("d"), Const(90)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(2)), Leq(Div(R...
NT
null
COUNT
sympy
C4
[ "MIN_PRIME_FACTOR" ]
bc3776
diophantine_fbi2_count_v1
null
3
0
[ "C4", "MIN_PRIME_FACTOR" ]
2
0.03
2026-02-08T04:26:15.270274Z
{ "verified": true, "answer": 16, "timestamp": "2026-02-08T04:26:15.300177Z" }
6492a1
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": 3538 }, "timestamp": "2026-02-10T00:32:29.973Z", "answer": 16 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
fe1b00
diophantine_fbi2_count_v1_1742523217_846
Let $k$ be the number of integers $t$ such that $5 \leq t \leq 486$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 207$, $1 \leq b \leq 24$, and $t = 2a + 3b$. Let $r$ be the number of positive integers $d$ such that $4 \leq d \leq 81$, $d$ divides $k$, and the quotient $k/d$ satisfies $6 \leq k/d \l...
14
graphs = [ Graph( let={ "k": 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=207)), Geq(left=Var(name='b'), right=Const(value...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
diophantine_fbi2_count_v1
null
7
0
[ "LIN_FORM" ]
1
0.007
2026-02-08T03:17:44.557495Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T03:17:44.564933Z" }
c9718c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 251, "completion_tokens": 3516 }, "timestamp": "2026-02-09T07:48:09.370Z", "answer": 14 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.49, "mid": 1.84, "hi": 7.55 }
4f5155
diophantine_product_count_v1_168721529_1543
Let $k = 840$. Let $u$ be the number of positive integers $n \leq 1116$ such that $8$ divides the $n$-th Fibonacci number. Let $S$ be the set of positive integers $x \leq u$ such that $x$ divides $k$ and $\frac{k}{x} \leq u$. Compute the number of elements in $S$.
24
graphs = [ Graph( let={ "_n": Const(8), "k": Const(840), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(1116)), Divides(divisor=Ref("_n"), dividend=Fibonacci(arg=Var(name='n')))))), "result": Cou...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
diophantine_product_count_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE" ]
1
0.017
2026-02-08T13:45:49.718396Z
{ "verified": true, "answer": 24, "timestamp": "2026-02-08T13:45:49.734999Z" }
7b6ed3
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 198, "completion_tokens": 2475 }, "timestamp": "2026-02-11T07:58:10.066Z", "answer": 24 }, { "id...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
cf1e53
nt_sum_totient_over_divisors_v1_1520064083_9431
Let $n = 65134$. Consider the sum \[S = \sum_{d \mid n} \varphi(d),\] where the sum is taken over all positive divisors $d$ of $n$, and $\varphi(d)$ denotes the number of positive integers less than or equal to $d$ that are relatively prime to $d$. Compute $S$.
65,134
graphs = [ Graph( let={ "n": Const(65134), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), }, goal=Ref("result"), ) ]
NT
null
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS/BINOMIAL_ALTERNATING/VIETA_SUM/MAX_DIVISOR", "COUNT_SUM_EQUALS/VIETA_SUM/MAX_DIVISOR" ]
ca2545
nt_sum_totient_over_divisors_v1
null
3
0
[ "BINOMIAL_ALTERNATING", "COUNT_SUM_EQUALS", "MAX_DIVISOR", "VIETA_SUM" ]
4
0.042
2026-02-08T10:45:25.984727Z
{ "verified": true, "answer": 65134, "timestamp": "2026-02-08T10:45:26.026962Z" }
354d0e
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 789 }, "timestamp": "2026-02-15T21:03:13.434Z", "answer": 30000 }, { "id": 11,...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "MAX_DIVISOR", "status": "ok_later" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "...
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
452784
nt_count_intersection_v1_784195855_2335
Let $N$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 25000000$. Let $a$ be the smallest integer $d \geq 2$ that divides 2695. Compute the number of positive integers $n \leq N$ such that $a$ divides $n$ and $\gcd(n, 6) = 1$. Let this count be $C$. Find the remaind...
14,146
graphs = [ Graph( let={ "_n": Const(22039), "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(25000000)))), expr=Sum(Var("x"), Var("y"...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "B3" ]
6c6c26
nt_count_intersection_v1
null
4
0
[ "B3", "MIN_PRIME_FACTOR" ]
2
0.391
2026-02-08T05:41:41.008807Z
{ "verified": true, "answer": 14146, "timestamp": "2026-02-08T05:41:41.399648Z" }
3a517b
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": 1941 }, "timestamp": "2026-02-12T13:07:12.401Z", "answer": 14146 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
a9a230
comb_count_surjections_v1_1520064083_3456
Let $n$ be the number of ordered triples $(x_1, x_2, x_3)$ of positive odd integers such that $x_1 + x_2 + x_3 = 7$. Let $k = 6$. Define $\text{result} = k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind. Compute the remainder when $44121 \cdot \text{result}$ is divided by $56911$.
10,782
graphs = [ Graph( let={ "_n": Const(56911), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2"), Var("x3")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsPositive(arg=Var(name='x3')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var...
COMB
null
COUNT
sympy
COMB1
[ "COMB1" ]
567f58
comb_count_surjections_v1
null
6
0
[ "COMB1" ]
1
0.002
2026-02-08T05:41:28.394436Z
{ "verified": true, "answer": 10782, "timestamp": "2026-02-08T05:41:28.396021Z" }
0fa4d8
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 219, "completion_tokens": 1258 }, "timestamp": "2026-02-24T04:18:11.755Z", "answer": 10782 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status":...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
88bf31
antilemma_k3_v1_784195855_9165
Let $n = 89148$. Define $x = \sum_{d \mid n} \phi(d)$, where the sum is taken over all positive divisors $d$ of $n$, and $\phi$ denotes Euler's totient function. Compute the remainder when $17030x$ is divided by $61257$.
58,209
graphs = [ Graph( let={ "_n": Const(89148), "x": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Mod(value=Mul(Const(17030), Ref("x")), modulus=Const(61257)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0
2026-02-08T16:34:30.740348Z
{ "verified": true, "answer": 58209, "timestamp": "2026-02-08T16:34:30.740769Z" }
aae745
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 113, "completion_tokens": 3060 }, "timestamp": "2026-02-17T07:31:58.303Z", "answer": 58209 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
e63749
modular_mod_compute_v1_1978505735_2818
Let $a = 37$. Let $T$ be the set of all integers $t$ such that there exist positive integers $a$ and $b$ satisfying $1 \le a \le 124$, $1 \le b \le 248$, $34 \le t \le 4846$, and $t = 9a + 15b + 10$. Let $m = |T|$, and let $r$ be the remainder when $a$ is divided by $m$. Compute the remainder when $93170 \cdot r$ is di...
34,319
graphs = [ Graph( let={ "_n": Const(66921), "a": Const(37), "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=...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
modular_mod_compute_v1
null
4
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T17:11:26.984862Z
{ "verified": true, "answer": 34319, "timestamp": "2026-02-08T17:11:26.987197Z" }
325a81
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 171, "completion_tokens": 5660 }, "timestamp": "2026-02-17T21:33:57.247Z", "answer": 34319 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V1", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
a90c91
antilemma_coprime_grid_v1_1456120455_87
Let $S$ be the set of all ordered pairs $(i, j)$ of positive integers with $1 \le i \le 41$ and $1 \le j \le 165$ such that $\gcd(i, j) = 1$. Let $x$ be the number of elements in $S$. Find the remainder when $44121x$ is divided by $89483$.
35,510
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(GCD(a=Var("i"), b=Var("j")), Const(1)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(41)), right=IntegerRange(start=Const(1), end=Const(165))))), "...
NT
COMB
COMPUTE
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
20ec03
antilemma_coprime_grid_v1
null
5
0
[ "COUNT_COPRIME_GRID" ]
1
0.001
2026-02-08T02:53:26.307823Z
{ "verified": true, "answer": 35510, "timestamp": "2026-02-08T02:53:26.308365Z" }
337478
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 6881 }, "timestamp": "2026-02-08T20:02:39.059Z", "answer": 35510 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }...
{ "lo": -6.51, "mid": -0.53, "hi": 4.75 }
bfe187
nt_count_gcd_equals_v1_898971024_1035
Let $k_1$ range over the positive integers from 1 to the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 144$. Compute $$ \sum_{k_1=1}^{\min(x+y)} \phi(k_1) \left\lfloor \frac{24}{k_1} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Call this sum $k$. Deter...
101
graphs = [ Graph( let={ "_n": Const(144), "upper": Const(15120), "k": Summation(var="k1", start=Const(1), end=MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), E...
NT
null
COUNT
sympy
B3
[ "B3/K2" ]
9f3175
nt_count_gcd_equals_v1
null
6
0
[ "B3", "K2" ]
2
1.332
2026-02-08T15:53:05.365726Z
{ "verified": true, "answer": 101, "timestamp": "2026-02-08T15:53:06.697459Z" }
290cdd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 2614 }, "timestamp": "2026-02-16T15:53:10.445Z", "answer": 101 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4ec34f
nt_gcd_compute_v1_1742523217_3304
Let $a = 323036$ and $b = 726831$. Let $d$ be the greatest common divisor of $a$ and $b$. Consider the set of all integers $t$ such that there exist integers $a'$ and $b'$ satisfying the following conditions: - $1 \leq a' \leq 3$, - $1 \leq b' \leq 11$, - $23 \leq t \leq 67$, - $t = 7a' + 3b' + 13$. Let $N$ be the nu...
67,276
graphs = [ Graph( let={ "_n": Const(74001), "a": Const(323036), "b": Const(726831), "result": GCD(a=Ref("a"), b=Ref("b")), "Q": Mod(value=Sub(CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(n...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
324ba4
nt_gcd_compute_v1
negation_mod
3
0
[ "LIN_FORM" ]
1
0.005
2026-02-08T05:46:23.955115Z
{ "verified": true, "answer": 67276, "timestamp": "2026-02-08T05:46:23.960036Z" }
f09daf
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 192, "completion_tokens": 2084 }, "timestamp": "2026-02-12T13:42:38.943Z", "answer": 67276 }, ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
0df897_n
alg_sum_powers_v1_1218484723_4021
A music composer assigns pitches based on integer values from 1 to 304. Each pitch $i$ is played with intensity $i^k$, where $k$ is the number of distinct note pairs $(a,b)$ with $1 \leq a \leq b \leq 15$ such that $5a^2 - 8ab + 5b^2 = 425$. The total volume is the sum of all intensities. This sum is transmitted in blo...
7,225
ALG
null
COMPUTE
sympy
QF_PSD_ORBIT
[ "QF_PSD_ORBIT", "LIN_FORM" ]
7e2c84
alg_sum_powers_v1
null
5
null
[ "LIN_FORM", "QF_PSD_ORBIT" ]
2
0.012
2026-02-25T05:37:48.074069Z
null
a8ba55
0df897
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 293, "completion_tokens": 32768 }, "timestamp": "2026-03-30T21:02:12.708Z", "answer": 7225 }, { "...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
2a571a
alg_poly_orbit_count_v1_1218484723_7672
Work in arithmetic modulo $61$. Define \[N = 3a^{3} - 5a^{2} - 3a - 4 \bmod 61,\] \[M = 3N^{3} - 5N^{2} - 3N - 4 \bmod 61,\] \[R = 3M^{3} - 5M^{2} - 3M - 4 \bmod 61,\] \[S = 3R^{3} - 5R^{2} - 3R - 4 \bmod 61,\] \[T = 3S^{3} - 5S^{2} - 3S - 4 \bmod 61,\] \[K = 3T^{3} - 5T^{2} - 3T - 4 \bmod 61.\] Let $Q$ be the number o...
1,500
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(3), Pow(Var("a"), Const(3))), Mul(Const(-5), Pow(Var("a"), Const(2))), Mul(Const(-3), Var("a")), Const(-4)), modulus=Const(61)), "p2": Mod(value=Sum(Mul(Const(3), Pow(Ref("p1"), Const(3))), Mul(Const(-5), Pow(Ref("p1"), Const(2)))...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_orbit_count_v1
null
7
null
[ "POLY_ORBIT_COUNT" ]
1
0.146
2026-02-25T09:08:57.642539Z
{ "verified": true, "answer": 1500, "timestamp": "2026-02-25T09:08:57.788921Z" }
d0426b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 371, "completion_tokens": 21290 }, "timestamp": "2026-03-30T05:51:10.160Z", "answer": 1500 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
942748
comb_count_partitions_v1_655260480_303
Let $u = 5$ and $n_2 = u + 1$. Define $$ f = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}. $$ Let $n_1 = u + 1 + f$, and define $$ v = \sum_{k_1=0}^{n_1} (-1)^{k_1} \binom{n_1}{k_1}. $$ Let $n = 44 + v$. Compute the number of integer partitions of $n$.
75,175
graphs = [ Graph( let={ "u1": Const(5), "n2": Sum(Ref("u1"), Const(1)), "f": Summation(var="k", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "u": Const(5), "n1": Sum(Ref("u"), Const(1), Ref("f"...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_partitions_v1
null
4
2
[ "BINOMIAL_ALTERNATING" ]
1
0.002
2026-02-08T15:20:23.708380Z
{ "verified": true, "answer": 75175, "timestamp": "2026-02-08T15:20:23.710089Z" }
af0e48
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 235, "completion_tokens": 879 }, "timestamp": "2026-02-24T20:27:36.763Z", "answer": 75175 }, { "i...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "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"...
{ "lo": -2.43, "mid": 1.2, "hi": 4.84 }
df0c2b
modular_sum_quadratic_residues_v1_48377204_272
Let $ p = 433 $ and $ n = 317 $. Let $ r = \frac{p(p-1)}{4} $. Let $ c $ be the largest prime number less than or equal to 7008. Compute the remainder when $ (r \bmod n) + c \cdot (r \bmod 313) $ is divided by 72343.
21,176
graphs = [ Graph( let={ "_n": Const(317), "p": Const(433), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "_c": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(7008)), IsPrime(Var("n"))))),...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
08a653
modular_sum_quadratic_residues_v1
two_moduli
4
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T15:19:51.494579Z
{ "verified": true, "answer": 21176, "timestamp": "2026-02-08T15:19:51.497210Z" }
b8aba7
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 125, "completion_tokens": 1754 }, "timestamp": "2026-02-16T03:07:26.101Z", "answer": 21176 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
bf470d
algebra_quadratic_discriminant_v1_717093673_938
Let $a = -1$, $b = 0$, and $n = 4$. Let $c$ be the maximum value of $xy$ over all ordered pairs $(x, y)$ of positive integers satisfying $x + y = 14$. Compute $b^2 - nac$.
196
graphs = [ Graph( let={ "_n": Const(4), "a": Const(-1), "b": Const(0), "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')), Eq(Sum(Var("x"), Var("y...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
5b950e
algebra_quadratic_discriminant_v1
null
3
0
[ "B1" ]
1
0.002
2026-02-08T15:45:45.401186Z
{ "verified": true, "answer": 196, "timestamp": "2026-02-08T15:45:45.403463Z" }
77f6ba
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 119, "completion_tokens": 346 }, "timestamp": "2026-02-16T06:17:13.328Z", "answer": 196 }, { "id": 11, ...
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
2a78bc
alg_poly4_min_v1_1218484723_6944
Find the minimum value of $702270a^2b^2 - 530604a^3b + 252297a^4 - 593028ab^{\sum_{k=1}^{2} \varphi(k) \cdot \lfloor 2/k \rfloor} + 213282b^4$ over all ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 72$.
44,217
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"), Const(72)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(72)))), expr=Sum(Mul(Const(702270), Pow...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
alg_poly4_min_v1
null
5
0
[ "K2" ]
1
0.023
2026-02-25T08:22:58.883883Z
{ "verified": true, "answer": 44217, "timestamp": "2026-02-25T08:22:58.906690Z" }
a50659
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 205, "completion_tokens": 7212 }, "timestamp": "2026-03-30T03:19:47.401Z", "answer": 44217 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
249aa5
modular_count_residue_v1_349078426_257
Let $n = 18$ and $m = 19$. Let $r$ be the largest prime number such that $2 \leq r \leq n$. Compute the number of positive integers $n$ such that $1 \leq n \leq 33124$ and $n \equiv r \pmod{19}$.
1,743
graphs = [ Graph( let={ "_n": Const(18), "upper": Const(33124), "m": Const(19), "r": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": CountOverSet(set=Solutio...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_count_residue_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
1.119
2026-02-08T12:54:04.241346Z
{ "verified": true, "answer": 1743, "timestamp": "2026-02-08T12:54:05.360162Z" }
dac5e4
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 662 }, "timestamp": "2026-02-16T04:09:05.237Z", "answer": 1743 }, { "id": 11, ...
2
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V3", "stat...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
7d13c0
nt_min_crt_v1_1918700295_4592
Let $m = 4$, $k = 9$, $a = 1$, and $b = 3$. Let the upper bound be $36$. Consider the set of all positive integers $n$ such that $1 \leq n \leq 36$, $n \equiv a \pmod{m}$, and $n \equiv b \pmod{k}$. Let $r$ be the minimum element of this set. Compute the Bell number $B_s$, where $s = |r| \bmod{11}$, and then find the r...
36,067
graphs = [ Graph( let={ "m": Const(4), "k": Const(9), "a": Const(1), "b": Const(3), "upper": Const(36), "result": MinOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value...
COMB
null
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
58d7e9
nt_min_crt_v1
bell_mod
4
0
[ "MIN_PRIME_FACTOR" ]
1
0.059
2026-02-08T09:28:36.160331Z
{ "verified": true, "answer": 36067, "timestamp": "2026-02-08T09:28:36.219817Z" }
91baca
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 252, "completion_tokens": 1209 }, "timestamp": "2026-02-24T11:22:39.757Z", "answer": 36067 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "stat...
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
ee4765
geo_visible_lattice_v1_655260480_4682
Let $n = 66$. Define $L$ to be the number of ordered pairs $(x, y)$ of positive integers such that $1 \leq x, y \leq n$ and $\gcd(x, y) = 1$. Compute the remainder when $44121 \cdot L$ is divided by $86960$.
6,135
graphs = [ Graph( let={ "n": Const(66), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(86960)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
0
null
null
0.1
2026-02-08T18:03:13.074631Z
{ "verified": true, "answer": 6135, "timestamp": "2026-02-08T18:03:13.174950Z" }
1941f3
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": 3387 }, "timestamp": "2026-02-18T12:44:26.009Z", "answer": 6135 }, {...
1
[]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
99f623
modular_modexp_compute_v1_1742523217_906
Let $m=5$ and $n=14$. Let $a=3$. Consider all ordered pairs $(x,y)$ of positive integers such that $$xy=1018081.$$ For each such pair, form the sum $x+y$. Let $e$ be the minimum possible value of $x+y$ over all such pairs. Let $M=32768$. Define $$r\equiv 3^e \pmod{32768},\qquad 0\le r<32768.$$ Let $U$ be the set of ...
4,140
graphs = [ Graph( let={ "_m": Const(5), "_n": Const(14), "a": Const(3), "e": 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("...
NT
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/C5", "B3" ]
09cda8
modular_modexp_compute_v1
bell_mod
9
0
[ "B3", "C5", "LIN_FORM" ]
3
0.004
2026-02-08T03:21:13.782161Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T03:21:13.786661Z" }
be23a7
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 406, "completion_tokens": 7496 }, "timestamp": "2026-02-09T08:27:06.631Z", "answer": 4140 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "C5", "status": "ok_later" }, { "lemma": "K14", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_D...
{ "lo": 2.58, "mid": 5.33, "hi": 8.57 }
f9fc03_l
comb_binomial_compute_v1_458359167_618
Let $u = 9$, $n_2 = u + 1$, and $$ s = \sum_{k=0}^{n_2} (-1)^k \binom{n_2}{k}. $$ Let $a = 3 + s$ and $b = 2$, so $n_1 = a + b$. Define $$ f = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}. $$ Let $n = 16$ and $k = 7$, and let $r = \binom{n}{k}$. Compute the value of $$ r + \phi(|r| + 1) + \tau(|r| + 1 + f), $$ where $\phi$ d...
22,882
COMB
NT
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_0" ]
38a409
comb_binomial_compute_v1
null
4
2
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_0" ]
2
0.002
2026-02-08T03:26:24.262619Z
{ "verified": false, "answer": 22196, "timestamp": "2026-02-08T03:26:24.264777Z" }
2b11bd
f9fc03
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": 305, "completion_tokens": 1112 }, "timestamp": "2026-02-10T14:22:53.749Z", "answer": 22196 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "...
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
6452bb
nt_count_coprime_and_v1_1978505735_6869
Let $k_1$ be the maximum value of $xy$ over all ordered pairs $(x,y)$ of positive integers such that $x + y = 6$, and let $k_2 = 16$. Compute the number of positive integers $n \le 67425$ such that $\gcd(n, k_1) = 1$ and $\gcd(n, k_2) = 1$.
22,475
graphs = [ Graph( let={ "_n": Const(6), "upper": Const(67425), "k1": 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")))), ...
NT
null
COUNT
sympy
B1
[ "B1" ]
5b950e
nt_count_coprime_and_v1
null
4
0
[ "B1" ]
1
6.486
2026-02-08T19:51:06.072386Z
{ "verified": true, "answer": 22475, "timestamp": "2026-02-08T19:51:12.558484Z" }
898369
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 458 }, "timestamp": "2026-02-16T18:46:36.205Z", "answer": 33722 }, { "id": 11,...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
64450e
comb_factorial_compute_v1_717093673_933
Let $T$ be the set of all integers $t$ such that $51 \leq t \leq 3294$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 94$, $1 \leq b \leq 87$, and $t = 21a + 15b + 15$. Let $n$ be the number of elements in $T$. Let $m = 1058$. Consider the set of all nonnegative integers $j$ such that $0 \leq j \leq ...
42,273
graphs = [ Graph( let={ "_m": Const(1058), "_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=94)), Geq(left=V...
ALG
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM/V8" ]
654a7e
comb_factorial_compute_v1
null
7
0
[ "LIN_FORM", "V8" ]
2
0.005
2026-02-08T15:45:41.451419Z
{ "verified": true, "answer": 42273, "timestamp": "2026-02-08T15:45:41.455933Z" }
0410d5
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 283, "completion_tokens": 8693 }, "timestamp": "2026-02-24T18:27:05.512Z", "answer": 42273 }, { ...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V8", "status": "ok_later" } ]
{ "lo": -2.4, "mid": 1.57, "hi": 5.75 }
7e8e64
nt_count_divisible_v1_784195855_3035
Let $d$ be the smallest divisor of $71383$ that is at least $2$. Let $S$ be the set of all positive integers $n$ such that $n \leq 41616$ and $n$ is divisible by $d$. Compute the number of elements in $S$.
3,201
graphs = [ Graph( let={ "upper": Const(41616), "divisor": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(71383))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n")...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_count_divisible_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
1.362
2026-02-08T06:11:46.116589Z
{ "verified": true, "answer": 3201, "timestamp": "2026-02-08T06:11:47.478117Z" }
732635
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 110, "completion_tokens": 715 }, "timestamp": "2026-02-12T20:59:09.234Z", "answer": 3201 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
95fc63_n
geo_count_lattice_triangle_v1_1218484723_2603
A digital artist creates pixel art using a $25 \times 25$ grid. Each pixel at position $(a,b)$ has brightness level $10a^2 - 18ab + 25b^2$. The system only displays pixels with brightness at most the smallest prime factor of $6380651$. Let $C$ be the number of such visible pixels. The artist applies a transformation wi...
4,680
GEOM
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/QF_PSD_COUNT_LEQ", "TELESCOPE" ]
3dcccd
geo_count_lattice_triangle_v1
null
5
null
[ "MIN_PRIME_FACTOR", "QF_PSD_COUNT_LEQ", "TELESCOPE" ]
3
0.019
2026-02-25T04:21:38.248085Z
null
810624
95fc63
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 289, "completion_tokens": 32768 }, "timestamp": "2026-03-30T18:46:04.637Z", "answer": null }, { ...
1
[ { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok_later" }, { "lemma": "TELESCOPE", "status": "ok" } ]
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
be6972
diophantine_fbi2_min_v1_1470522791_1571
Let $m=12$. Let $r$ be the number of integers $n$ with $1\le n\le 31$ and $\gcd(n,m)=1$. Let $k=10$. Consider all ordered pairs $(x,y)$ of positive integers such that $xy=100$. Let $U$ be the minimum value of $x+y$ over all such pairs. Consider all integers $d$ such that \begin{itemize} \item $d\ge p$, where $p$ is...
52
graphs = [ Graph( let={ "_c": Const(2), "_m": Const(12), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(31)), Eq(GCD(a=Var("n"), b=Ref("_m")), Const(1))))), "k": Const(10), "upper": MinO...
NT
COMB
EXTREMUM
sympy
LIN_FORM
[ "C4/MAX_PRIME_BELOW", "COPRIME_PAIRS", "B3" ]
0fd59e
diophantine_fbi2_min_v1
bell_mod
7
0
[ "B3", "C4", "COPRIME_PAIRS", "LIN_FORM", "MAX_PRIME_BELOW" ]
5
0.07
2026-02-08T13:45:00.305833Z
{ "verified": true, "answer": 52, "timestamp": "2026-02-08T13:45:00.375714Z" }
5ae6fc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 317, "completion_tokens": 1303 }, "timestamp": "2026-02-15T20:14:15.006Z", "answer": 52 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C4", "status": "ok" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemm...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
6a69df
algebra_quadratic_discriminant_v1_784195855_5609
Let $m$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 30$. Let $c$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = m$. Let $p$ be a positive integer such that there exists a positive integer $q$ with $pq = 54$, $\gcd(p, q) = 1...
121
graphs = [ Graph( let={ "_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")), Const(30)))), expr=Mul(Var("x"), Var("y")))), "_n": Const(4), ...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS", "B1/B3" ]
0209f3
algebra_quadratic_discriminant_v1
null
6
0
[ "B1", "B3", "COPRIME_PAIRS" ]
3
0.013
2026-02-08T07:59:34.774034Z
{ "verified": true, "answer": 121, "timestamp": "2026-02-08T07:59:34.786903Z" }
37f7b7
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": 1554 }, "timestamp": "2026-02-13T14:03:31.989Z", "answer": 121 }, { ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { ...
{ "lo": -7.01, "mid": -4.68, "hi": -2.15 }
3044da
modular_sum_quadratic_residues_v1_601307018_8455
Let $M$ be the minimum value of $25b^2 - 62ab + 41a^2$ over all ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 8$. Let $p$ be the minimum value of $|x - y|$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 237348$. Compute $\frac{p(p - 1)}{M}$.
28,308
graphs = [ Graph( let={ "_m": Const(2), "_n": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(8)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(8)))), expr=Sum(Mul(Const(25), Pow(Var("b"),...
NT
null
SUM
sympy
QF_PSD_MIN
[ "QF_PSD_MIN/B3_DIFF" ]
166f76
modular_sum_quadratic_residues_v1
null
5
0
[ "B3_DIFF", "QF_PSD_MIN" ]
2
0.004
2026-03-10T08:56:30.890171Z
{ "verified": true, "answer": 28308, "timestamp": "2026-03-10T08:56:30.893836Z" }
43d8c7
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 211, "completion_tokens": 3703 }, "timestamp": "2026-04-19T09:05:39.158Z", "answer": 28308 }, { ...
1
[ { "lemma": "B3_DIFF", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "QF_PSD_MIN", "status": "ok" }, { "lemma": "V5", "status": "no" }, { ...
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
a57f67
diophantine_fbi2_count_v1_1520064083_8360
Let $k = 180$. Let $d$ be a positive integer satisfying the following conditions: \begin{itemize} \item $3 \leq d \leq 123$, \item $d$ divides $k$, \item $\frac{k}{d} \geq 6$, \item $\frac{k}{d} \leq t_{\text{max}}$, where $t_{\text{max}}$ is the number of integers $t$ in the range $14 \leq t \leq 276$ for which there ...
1
graphs = [ Graph( let={ "k": Const(180), "result": CountOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(3)), Leq(Var("d"), Const(123)), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(6)), Leq(Div(Ref("k"), Var("d")), CountOve...
NT
COMB
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
diophantine_fbi2_count_v1
null
6
0
[ "LIN_FORM" ]
1
0.008
2026-02-08T10:09:35.287871Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T10:09:35.296205Z" }
efc68e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 223, "completion_tokens": 3930 }, "timestamp": "2026-02-14T06:36:07.055Z", "answer": 7 }, { ...
0
[ { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
280286
antilemma_k2_v1_1125832087_1134
Let $$ x = \sum_{k=1}^{304} \phi(k) \left\lfloor \frac{304}{k} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Compute the remainder when $x^2 + 25x + 2028$ is divided by $55315$.
40,003
graphs = [ Graph( let={ "x": Summation(var="k", start=Const(1), end=Const(304), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(304), Var("k"))))), "Q": Mod(value=Sum(Pow(Ref("x"), Const(2)), Mul(Const(25), Ref("x")), Const(2028)), modulus=Const(55315)), }, goal=Ref("Q...
NT
COMB
COMPUTE
sympy
K13
[ "K2" ]
6897ab
antilemma_k2_v1
null
5
0
[ "K13", "K2" ]
2
0.001
2026-02-08T03:33:05.553867Z
{ "verified": true, "answer": 40003, "timestamp": "2026-02-08T03:33:05.555337Z" }
8961ab
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 184, "completion_tokens": 6913 }, "timestamp": "2026-02-10T14:54:03.844Z", "answer": 11398 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": 1.71, "mid": 5.04, "hi": 8.38 }
a53ec3
nt_count_divisible_v1_124444284_6098
Let $n = 10$. Let $D$ be the number of ordered pairs $(i,j)$ of positive integers such that $i + j = 19$, $1 \leq i \leq 18$, and $1 \leq j \leq 18$. Let $S$ be the set of all integers $n$ such that $1 \leq n \leq 58081$ and $n \equiv \sum_{k=0}^{10} (-1)^k \binom{10}{k} \pmod{D}$. Let $r$ be the number of elements in ...
7,383
graphs = [ Graph( let={ "_n": Const(10), "upper": Const(58081), "divisor": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(19)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(18)), r...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "COUNT_SUM_EQUALS" ]
b9499e
nt_count_divisible_v1
null
6
0
[ "BINOMIAL_ALTERNATING", "COUNT_SUM_EQUALS" ]
2
4.088
2026-02-08T08:07:49.300130Z
{ "verified": true, "answer": 7383, "timestamp": "2026-02-08T08:07:53.387756Z" }
99e883
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 251, "completion_tokens": 952 }, "timestamp": "2026-02-24T08:51:05.279Z", "answer": 7383 }, { "id...
2
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7",...
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
4730ee
nt_min_coprime_above_v1_655260480_132
Let $n = 17161$. Consider the set of all ordered pairs $(x,y)$ of positive integers such that $xy = n$. Let $s$ be the sum $x + y$ for each such pair. Define $m$ to be the minimum value of $s$ over all such pairs. Now, let $S$ be the set of all integers $n$ satisfying $12321 < n \leq 12593$ such that $\gcd(n, m) = 1$....
25,811
graphs = [ Graph( let={ "_n": Const(17161), "start": Const(12321), "upper": Const(12593), "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'))...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
nt_min_coprime_above_v1
null
5
0
[ "B3" ]
1
0.03
2026-02-08T15:14:02.244540Z
{ "verified": true, "answer": 25811, "timestamp": "2026-02-08T15:14:02.274501Z" }
5e672f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 1905 }, "timestamp": "2026-02-16T02:48:57.817Z", "answer": 25811 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
890c90
alg_qf_psd_min_v1_1218484723_7420
Let $Q$ be the minimum value of $$\left|\{n : 1 \le n \le 49280,\ n \equiv \left\lfloor \tfrac{n}{2} \right\rfloor \pmod{11}\}\right| \cdot a \cdot b + \min\{x + y : x, y > 0,\ xy = 5017600\} \cdot b^{2} + 3640 \cdot a^{2}$$ over all ordered pairs $(a, b)$ of positive integers with $1 \le a \le 113$ and $1 \le b \le ...
12,600
graphs = [ Graph( let={ "_m": Const(113), "_n": Const(113), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Ref("_n")), Geq(Var("b"), Const(1)), Leq(Var("b"), Ref("_m")))),...
NT
null
COMPUTE
sympy
L3C
[ "L3C", "B3" ]
8ca9f5
alg_qf_psd_min_v1
null
7
0
[ "B3", "L3C" ]
2
0.03
2026-02-25T08:52:17.716806Z
{ "verified": true, "answer": 12600, "timestamp": "2026-02-25T08:52:17.746699Z" }
b9cf99
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 261, "completion_tokens": 2293 }, "timestamp": "2026-03-30T04:27:17.377Z", "answer": 12600 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "L3C", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma...
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
baf93f
alg_qf_psd_count_leq_v1_601307018_6438
Let $Q$ be the number of ordered triples $(a, b, c)$ of positive integers with $1 \le a, b, c \le 11$ such that $$ 136c^2 + \left|\left\{ (a_1, b_1) \in \mathbb{Z}^2 : 1 \le a_1, b_1 \le 30,\ 13a_1^2 - 2a_1b_1 + 2b_1^2 \le 1192 \right\}\right| \cdot bc + 152a^2 + 208ab + 360b^2 + 240ac \le 81968. $$ Find $Q$.
1,107
graphs = [ Graph( let={ "_n": Const(240), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(11)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(11)), Geq(Var("c"), Const(1)), Leq(Var("...
ALG
null
COUNT
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_qf_psd_count_leq_v1
null
6
0
[ "QF_PSD_COUNT_LEQ" ]
1
0.398
2026-03-10T07:06:20.491826Z
{ "verified": true, "answer": 1107, "timestamp": "2026-03-10T07:06:20.889702Z" }
a294be
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 267, "completion_tokens": 25210 }, "timestamp": "2026-04-19T04:26:39.548Z", "answer": 1107 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
42569e
modular_count_residue_v1_124444284_3992
Let $m = 21$ and $r = 0$. Let $\text{result}$ be the number of positive integers $n$ such that $1 \le n \le 31817$ and $n \equiv r \pmod{m}$. Let $p$ be the largest prime number satisfying $2 \le p \le 11$. Define $Q$ to be the Bell number $B_k$, where $k$ is the remainder when $|\text{result}|$ is divided by $p$. Comp...
4,140
graphs = [ Graph( let={ "upper": Const(31817), "m": Const(21), "r": Const(0), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("m")), Ref("r"))))), ...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
88ea9c
modular_count_residue_v1
bell_mod
5
0
[ "MAX_PRIME_BELOW" ]
1
3.557
2026-02-08T05:42:20.011362Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T05:42:23.568063Z" }
8007a0
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 691 }, "timestamp": "2026-02-12T12:59:22.564Z", "answer": 4140 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8_SUM", "status": "n...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
7acf58
comb_count_surjections_v1_1742523217_3694
Let $n$ be the number of ordered pairs $(i, j)$ of integers with $1 \leq i \leq 5$ and $1 \leq j \leq 5$ such that $i + j = 6$. Let $k = 4$. Compute $k! \cdot S(n, k)$, where $S(n, k)$ denotes the Stirling number of the second kind.
240
graphs = [ Graph( let={ "_n": Const(6), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(5)), right=IntegerRange(start=Const(1), end=Const...
COMB
null
COUNT
sympy
COMB1
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
5
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.055
2026-02-08T06:03:01.930783Z
{ "verified": true, "answer": 240, "timestamp": "2026-02-08T06:03:01.985696Z" }
7ebe8e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 200, "completion_tokens": 726 }, "timestamp": "2026-02-24T05:11:57.193Z", "answer": 240 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status":...
{ "lo": -5.98, "mid": -3.97, "hi": -1.94 }
fb2c3d
comb_count_surjections_v1_1978505735_3448
Let $n = 6$. Let $P$ be the set of all ordered pairs $(i, j)$ of integers such that $1 \le i \le 5$, $1 \le j \le 5$, and $i + j = n$. Let $k$ be the number of elements in $P$. Define $\text{result} = k! \cdot S(n, k)$, where $S(n, k)$ is the Stirling number of the second kind. Compute $\text{result}$.
1,800
graphs = [ Graph( let={ "_n": Const(6), "n": Const(6), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_n")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(5)), right=IntegerRang...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
5
0
[ "COUNT_SUM_EQUALS" ]
1
0.016
2026-02-08T17:38:54.323606Z
{ "verified": true, "answer": 1800, "timestamp": "2026-02-08T17:38:54.339970Z" }
653b69
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 153, "completion_tokens": 604 }, "timestamp": "2026-02-18T06:08:55.314Z", "answer": 1800 }, { ...
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_SUM", "status":...
{ "lo": -4.1, "mid": -1.76, "hi": 1.32 }
103cf2
nt_count_divisible_and_v1_655260480_1704
Let $a = \sum_{k=0}^{4} (-1)^k \binom{4}{k}$ and $b = \sum_{k=0}^{3} (-1)^k \binom{3}{k}$. Determine the number of positive integers $n \le 31464$ such that $n \equiv a \pmod{9}$ and $n \equiv b \pmod{12}$.
874
graphs = [ Graph( let={ "upper": Const(31464), "d1": Const(9), "d2": Const(12), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=Ref("d1")), Summation(var="...
COMB
null
COUNT
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING" ]
c21569
nt_count_divisible_and_v1
null
5
0
[ "BINOMIAL_ALTERNATING" ]
1
9.934
2026-02-08T16:18:05.833740Z
{ "verified": true, "answer": 874, "timestamp": "2026-02-08T16:18:15.767342Z" }
0a624f
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": 543 }, "timestamp": "2026-02-24T20:37:13.933Z", "answer": 874 }, { "id...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.65, "mid": -3.17, "hi": -0.81 }
5883d9
comb_count_partitions_v1_784195855_372
Let $m = 92$. Define $n$ to be the largest prime number less than or equal to $m$. Let $k$ be the number of positive integers less than or equal to $n$ whose digit sum is even. Compute the number of integer partitions of $k$.
75,175
graphs = [ Graph( let={ "_m": Const(92), "_n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_m")), IsPrime(Var("n"))))), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var(...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/L3B" ]
5f10c3
comb_count_partitions_v1
null
5
0
[ "L3B", "MAX_PRIME_BELOW" ]
2
0.003
2026-02-08T03:07:24.365611Z
{ "verified": true, "answer": 75175, "timestamp": "2026-02-08T03:07:24.368478Z" }
4e8be1
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 169, "completion_tokens": 1577 }, "timestamp": "2026-02-10T16:13:59.324Z", "answer": 75175 }, { ...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "L3B", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "l...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
0dc083
nt_count_divisors_in_range_v1_458359167_1861
Let $n = 45360$. Define $b$ to be the number of integers $t$ with $12 \leq t \leq 1552$ such that there exist positive integers $a$ and $b'$ satisfying $1 \leq a \leq 81$, $1 \leq b' \leq 197$, and $t = 7a + 5b'$. Let $a = 2$. Determine the value of the number of positive divisors $d$ of $n$ such that $a \leq d \leq b$...
79
graphs = [ Graph( let={ "n": Const(45360), "a": Const(2), "b": 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=Co...
NT
null
COUNT
sympy
B3
[ "LIN_FORM" ]
7b2633
nt_count_divisors_in_range_v1
null
6
0
[ "B3", "LIN_FORM" ]
2
0.115
2026-02-08T04:54:40.638502Z
{ "verified": true, "answer": 79, "timestamp": "2026-02-08T04:54:40.753557Z" }
cbcabf
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 234, "completion_tokens": 5707 }, "timestamp": "2026-02-11T22:26:44.750Z", "answer": 79 }, { "id...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
5bc3bc
algebra_poly_eval_v1_865884756_3899
Let $n = 6$ and $k = 6$. Let $S$ be the set of all prime numbers $p$ such that $2 \leq p \leq \sum_{k_1=1}^{2} \phi(k_1) \left\lfloor \frac{2}{k_1} \right\rfloor$, where $\phi$ denotes Euler's totient function. Let $m$ be the largest element of $S$. Compute the value of $44121 \cdot (6 \cdot 6^m - 7 \cdot 6^2 - 2 \cdot...
41,164
graphs = [ Graph( let={ "_n": Const(6), "k": Const(6), "result": Sum(Mul(Ref("_n"), Pow(Ref("k"), MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Summation(var="k1", start=Const(1), end=Const(2), expr=Mul(EulerPhi(n=Var("k1")...
NT
null
COMPUTE
sympy
K2
[ "K2/MAX_PRIME_BELOW" ]
f058da
algebra_poly_eval_v1
null
4
0
[ "K2", "MAX_PRIME_BELOW" ]
2
0.006
2026-02-08T17:39:34.203331Z
{ "verified": true, "answer": 41164, "timestamp": "2026-02-08T17:39:34.208884Z" }
7e9bc8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 1024 }, "timestamp": "2026-02-18T05:30:13.058Z", "answer": 41164 }, ...
1
[ { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
30d833
modular_count_residue_v1_1918700295_1440
Let $n$ be a positive integer such that $1 \leq n \leq 40804$ and $n \equiv 16 \pmod{20}$. Let $R$ denote the number of such integers $n$. Define $$ Q = \left( \sum_{k=1}^{8} \phi(k) \left\lfloor \frac{8}{k} \right\rfloor \right) - R. $$ Find the remainder when $Q$ is divided by $79189$.
77,185
graphs = [ Graph( let={ "_n": Const(8), "upper": Const(40804), "m": Const(20), "r": Const(16), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(Mod(value=Var("n"), modulus=...
NT
null
COUNT
sympy
K2
[ "K2" ]
9468ae
modular_count_residue_v1
negation_mod
5
0
[ "K2" ]
1
1.605
2026-02-08T05:50:22.723178Z
{ "verified": true, "answer": 77185, "timestamp": "2026-02-08T05:50:24.327943Z" }
f76e09
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1178 }, "timestamp": "2026-02-12T15:17:04.619Z", "answer": 77185 }, ...
1
[ { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
5f9ae6
nt_sum_divisors_mod_v1_1978505735_7678
Let $S$ be the set of all integers $t$ such that there exist integers $a$ and $b$ satisfying: - $1 \leq a \leq 24$, - $1 \leq b \leq 1245$, - $7 \leq t \leq 5052$, and - $t = 3a + 4b$. Let $n = |S|$, the number of elements in $S$. Let $\sigma$ be the sum of all positive divisors of $n$. Let $M = 11701$, and let $r$ be...
7,643
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=24)), Geq(left=Var(name='b'), right=Const(value=...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_divisors_mod_v1
null
4
0
[ "LIN_FORM" ]
1
0.005
2026-02-08T20:23:07.225306Z
{ "verified": true, "answer": 7643, "timestamp": "2026-02-08T20:23:07.230031Z" }
b5fb53
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": 7332 }, "timestamp": "2026-02-19T00:29:28.218Z", "answer": 7643 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8eb5b4
comb_sum_binomial_row_v1_717093673_3700
Let $s_k = \min\{d \in \mathbb{Z} \mid d \geq 2 \text{ and } d \text{ divides } 6125\}$ for each $k$. Define $n = \sum_{k=1}^{5} \phi(k) \cdot \left\lfloor \frac{s_k}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function. Let $r = 2^n$. Compute the remainder when $40291 \cdot r$ is divided by $51115$. Find t...
6,153
graphs = [ Graph( let={ "_n": Const(2), "n": Summation(var="k", start=Const(1), end=Const(5), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(6125))))), Var("k"))))), ...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/K2" ]
352a97
comb_sum_binomial_row_v1
null
6
0
[ "K2", "MIN_PRIME_FACTOR" ]
2
0.005
2026-02-08T17:46:20.896436Z
{ "verified": true, "answer": 6153, "timestamp": "2026-02-08T17:46:20.901648Z" }
65b557
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 168, "completion_tokens": 2542 }, "timestamp": "2026-02-18T07:18:38.000Z", "answer": 6153 }, {...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "K5", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
78a940
comb_bell_compute_v1_1248542787_124
Let $ n $ be the number of ordered pairs $ (i, j) $ where $ i $ is a positive integer with $ 1 \leq i \leq 2 $ and $ j $ is a positive integer with $ 1 \leq j \leq 4 $. Let $ B_n $ denote the $ n $-th Bell number, which counts the number of partitions of a set of $ n $ elements. Compute the remainder when $ 68442 \cdot...
27,227
graphs = [ Graph( let={ "_n": Const(76553), "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(2)), right=IntegerRange(start=Const(1), end=Const(4)))), "result": Bell(Ref("n")), "Q": Mod(value=Mul(Const(68442), Ref("result")), m...
COMB
null
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
comb_bell_compute_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
0.001
2026-02-08T02:57:55.528490Z
{ "verified": true, "answer": 27227, "timestamp": "2026-02-08T02:57:55.529231Z" }
654777
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 227, "completion_tokens": 1386 }, "timestamp": "2026-02-09T00:28:11.311Z", "answer": 27227 }, { "...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -0.94, "mid": 0.82, "hi": 2.34 }
116460
nt_count_digit_sum_v1_349078426_1803
Let $n = 154$. Define $s$ to be the number of positive integers $m$ such that $1 \leq m \leq \sum_{d \mid n} \phi(d)$ and $13$ divides the $m$-th Fibonacci number. Let $N$ be the number of positive integers $n$ such that $1 \leq n \leq 99999$ and the sum of the decimal digits of $n$ is equal to $s$. Compute the value...
6,000
graphs = [ Graph( let={ "_n": Const(154), "upper": Const(99999), "target_sum": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d')))), Divides(divisor=Con...
NT
null
COUNT
sympy
K3
[ "K3/COUNT_FIB_DIVISIBLE" ]
b1cab1
nt_count_digit_sum_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE", "K3" ]
2
6.412
2026-02-08T13:56:26.485297Z
{ "verified": true, "answer": 6000, "timestamp": "2026-02-08T13:56:32.897272Z" }
31f17a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 2241 }, "timestamp": "2026-02-15T22:06:32.358Z", "answer": 6000 }, {...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "MOD_FACTORIAL"...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
3d40c8
lin_form_endings_v1_1918700295_994
Let $a = 63$ and $b = 18$. Let $\ell = \operatorname{lcm}(a,b)$. Define $s = 1 \cdot \ell + a + b$. Compute the remainder when $13320 \cdot s$ is divided by 75025.
56,340
graphs = [ Graph( let={ "a_coeff": Const(63), "b_coeff": Const(18), "k_val": Const(1), "lcm_node": LCM(a=Ref("a_coeff"), b=Ref("b_coeff")), "_inner_result": Sum(Mul(Ref("k_val"), Ref("lcm_node")), Ref("a_coeff"), Ref("b_coeff")), "_scal...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T05:26:15.683054Z
{ "verified": true, "answer": 56340, "timestamp": "2026-02-08T05:26:15.683637Z" }
472f1b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 106, "completion_tokens": 1794 }, "timestamp": "2026-02-12T09:58:32.701Z", "answer": 56340 }, ...
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": -3.51, "mid": 1.33, "hi": 6.56 }
8b35ee
nt_count_with_divisor_count_v1_655260480_6125
Compute the number of positive integers $n$ not exceeding $26896$ that have exactly $6$ positive divisors.
1,793
graphs = [ Graph( let={ "upper": Const(26896), "div_count": Const(6), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(NumDivisors(n=Var("n")), Ref("div_count"))))), }, goal=Ref("r...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "ONE_PHI_1" ]
fb15c3
nt_count_with_divisor_count_v1
null
4
0
[ "MIN_PRIME_FACTOR", "ONE_PHI_1" ]
2
7.947
2026-02-08T18:50:10.229896Z
{ "verified": true, "answer": 1793, "timestamp": "2026-02-08T18:50:18.176900Z" }
1ace9c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 71, "completion_tokens": 4936 }, "timestamp": "2026-02-18T20:02:36.559Z", "answer": 1793 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
555196
nt_sum_over_divisible_v1_677425708_3380
Let $N = 94450$ and $U = 64261$. Define $D$ to be the number of ordered pairs $(a, b)$ such that $1 \leq a \leq 7$ and $1 \leq b \leq 9$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq U$ and $n$ is divisible by $D$. Compute the sum of all elements in $S$. Let $\text{result}$ denote this sum. ...
1,930
graphs = [ Graph( let={ "_n": Const(94450), "upper": Const(64261), "divisor": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(7)), right=IntegerRange(start=Const(1), end=Const(9)))), "result": SumOverSet(set=SolutionsSet(var=Var("...
NT
null
SUM
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
nt_sum_over_divisible_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
2.031
2026-02-08T05:40:54.351500Z
{ "verified": true, "answer": 1930, "timestamp": "2026-02-08T05:40:56.382872Z" }
3ef62c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 2264 }, "timestamp": "2026-02-12T12:23:01.837Z", "answer": 1930 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST",...
{ "lo": -3.51, "mid": 1.33, "hi": 6.56 }
c57408
nt_count_digit_sum_v1_1520064083_8960
Let $S$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 144$. Define $T$ to be the set consisting of the sum $x + y$ for each pair $(x,y) \in S$. Let $s$ be the minimum value in $T$. Compute the number of positive integers $n$, with $1 \le n \le 99999$, such that the sum of the digits of $n...
37,677
graphs = [ Graph( let={ "_n": Const(44121), "upper": Const(99999), "target_sum": 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")), Co...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
nt_count_digit_sum_v1
null
4
0
[ "B3" ]
1
3.999
2026-02-08T10:26:56.583917Z
{ "verified": true, "answer": 37677, "timestamp": "2026-02-08T10:27:00.583125Z" }
acbcfa
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 176, "completion_tokens": 1992 }, "timestamp": "2026-02-14T07:27:35.102Z", "answer": 37677 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
7d9dc2
diophantine_fbi2_min_v1_349078426_503
Let $n = 44121$ and $k = 22$. Define $\text{upper}$ to be the sum of all real solutions $x$ to the equation $x^2 - 32x + 207 = 0$. Let $S$ be the set of all integers $d$ such that $2 \leq d \leq \text{upper}$, $d$ divides $k$, and $\frac{k}{d} \geq 2$. Compute the minimum value of $S$, and let $Q = n$ multiplied by thi...
88,242
graphs = [ Graph( let={ "_n": Const(44121), "k": Const(22), "upper": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-32), Var("x")), Const(207)), Const(0)))), "result": MinOverSet(set=SolutionsSet(var=Var("d"), co...
NT
null
EXTREMUM
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
diophantine_fbi2_min_v1
null
3
0
[ "VIETA_SUM" ]
1
0.008
2026-02-08T13:06:11.626794Z
{ "verified": true, "answer": 88242, "timestamp": "2026-02-08T13:06:11.635080Z" }
e6adfc
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": 604 }, "timestamp": "2026-02-15T09:27:01.057Z", "answer": 88242 }, {...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" ...
{ "lo": -9.12, "mid": -6.02, "hi": -3.62 }
1b99c2_l
antilemma_sum_equals_v1_124444284_1420
Let $S$ be the set of all ordered pairs of positive integers $(i, j)$ such that $i + j = 47$, $1 \leq i \leq 45$, and $1 \leq j \leq 45$. Determine the number of elements in $S$.
45
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS" ]
1
0.041
2026-02-08T03:52:39.292575Z
{ "verified": false, "answer": 44, "timestamp": "2026-02-08T03:52:39.333215Z" }
2c8e0b
1b99c2
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": 173, "completion_tokens": 432 }, "timestamp": "2026-02-10T16:14:24.157Z", "answer": 44 }, { "id":...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -4.92, "mid": -2.9, "hi": -0.7 }
8f4775
diophantine_sum_product_min_v1_153355830_285
Let $n = 1624$ and $S = 86$. Let $P$ be the largest positive divisor $d$ of $2658488$ such that $1 \leq d \leq n$. Determine the value of $Q$, where $Q$ is the remainder when $34323 \cdot x$ is divided by $64538$, and $x$ is the smallest positive integer such that $1 \leq x \leq 85$ and $x(S - x) = P$.
57,512
graphs = [ Graph( let={ "_n": Const(1624), "S": Const(86), "P": MaxOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(1)), Leq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(2658488))))), "result": MinOverSet(set=Solutions...
NT
null
EXTREMUM
sympy
MAX_DIVISOR
[ "MAX_DIVISOR" ]
51757e
diophantine_sum_product_min_v1
null
6
0
[ "MAX_DIVISOR" ]
1
0.011
2026-02-08T03:00:20.782920Z
{ "verified": true, "answer": 57512, "timestamp": "2026-02-08T03:00:20.793655Z" }
be4271
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": 1821 }, "timestamp": "2026-02-10T12:31:09.513Z", "answer": 57512 }, { ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_DIVISOR", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" } ]
{ "lo": -3.45, "mid": 1.18, "hi": 5.72 }
86d05d
comb_binomial_compute_v1_2051736721_4795
Let $n$ be the number of ordered pairs $(i, j)$ such that $1 \leq i \leq 3$ and $1 \leq j \leq 4$. Let $k$ be the minimum value of $x + y$ over all ordered pairs $(x, y)$ of positive integers such that $xy = 9$. Compute $\binom{n}{k}$.
924
graphs = [ Graph( let={ "_n": Const(9), "n": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(3)), right=IntegerRange(start=Const(1), end=Const(4)))), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), co...
ALG
COMB
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "B3" ]
0ad34f
comb_binomial_compute_v1
null
3
0
[ "B3", "COUNT_CARTESIAN" ]
2
0.191
2026-02-08T18:09:48.137709Z
{ "verified": true, "answer": 924, "timestamp": "2026-02-08T18:09:48.328790Z" }
fd58d4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 126, "completion_tokens": 852 }, "timestamp": "2026-02-24T23:29:17.918Z", "answer": 924 }, { ...
2
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", ...
{ "lo": -10, "mid": -7.4, "hi": -4.8 }
11c16e_l
comb_factorial_compute_v1_1520064083_4417
Let $m = 256$. Define $c$ to be the number of positive integers $k$ such that $1 \leq k \leq 256256$ and $m$ divides $k$. Let $n$ be the smallest integer greater than or equal to 2 that divides $c$. Compute $n!$.
2
NT
null
COMPUTE
sympy
C2
[ "C2/MIN_PRIME_FACTOR" ]
59c94d
comb_factorial_compute_v1
null
4
0
[ "C2", "MIN_PRIME_FACTOR" ]
2
0.002
2026-02-08T06:15:48.358925Z
{ "verified": false, "answer": 5040, "timestamp": "2026-02-08T06:15:48.360794Z" }
dc8f01
11c16e
legacy_text
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 168, "completion_tokens": 373 }, "timestamp": "2026-02-19T03:14:16.095Z", "answer": 2 }, { "id": 11, ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok_later" }, { "lemma": "V5", "status": ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.34 }
90b0a7
antilemma_k2_v1_784195855_6355
Let $m = 552$. Consider the quadratic equation $x^2 - 47x + m = 0$. Let $n$ be the sum of all (not necessarily distinct) integer solutions to this equation. Now compute the sum $$ \sum_{k=1}^{n} \phi(k) \left\lfloor \frac{47}{k} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Let $s$ be the value of ...
285
graphs = [ Graph( let={ "_m": Const(552), "_n": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Const(2)), Mul(Const(-47), Var("x")), Ref("_m")), Const(0)))), "x": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Fl...
NT
COMB
COMPUTE
sympy
K13
[ "VIETA_SUM/K2", "K2" ]
6be084
antilemma_k2_v1
null
6
0
[ "K13", "K2", "VIETA_SUM" ]
3
0.007
2026-02-08T08:35:46.559660Z
{ "verified": true, "answer": 285, "timestamp": "2026-02-08T08:35:46.566540Z" }
359cd6
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 177, "completion_tokens": 2252 }, "timestamp": "2026-02-13T20:03:02.991Z", "answer": 285 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "VIETA...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
7e65a6
nt_sum_over_divisible_v1_1248542787_367
Let $n = 98332$ and $d = 148$. Define $S$ to be the set of all positive integers $n'$ such that $1 \leq n' \leq 88209$ and $n'$ is divisible by $d$. Let $s$ be the sum of all elements in $S$.\\ Let $T$ be the set of all ordered pairs $(i, j)$ of positive integers with $1 \leq i \leq 102$ and $1 \leq j \leq 118$ such t...
3,144
graphs = [ Graph( let={ "_n": Const(98332), "upper": Const(88209), "divisor": Const(148), "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")), Co...
NT
null
SUM
sympy
COUNT_COPRIME_GRID
[ "COUNT_COPRIME_GRID" ]
53d469
nt_sum_over_divisible_v1
affine_mod
5
0
[ "COUNT_COPRIME_GRID" ]
1
2.814
2026-02-08T03:05:01.980473Z
{ "verified": true, "answer": 3144, "timestamp": "2026-02-08T03:05:04.794671Z" }
37d109
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 273, "completion_tokens": 24926 }, "timestamp": "2026-02-23T16:21:23.911Z", "answer": 3144 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": 1.3, "mid": 3.64, "hi": 5.81 }
a03a91
antilemma_cartesian_v1_153355830_2312
Let $A$ be the set of all ordered pairs $(i,j)$ such that $1 \le i \le 11$, $1 \le j \le 12$, and $i + j = 13$. Let $m$ be the number of elements in $A$. Let $x$ be the number of ordered pairs $(a,b)$ such that $1 \le a \le 33$ and $1 \le b \le 40$. Compute the Bell number $B_r$, where $r$ is the remainder when $|x|$ i...
1
graphs = [ Graph( let={ "_n": Const(13), "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(33)), right=IntegerRange(start=Const(1), end=Const(40)))), "Q": Bell(Mod(value=Abs(arg=Ref(name='x')), modulus=CountOverSet(set=SolutionsSet(var=Tup...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS", "COUNT_CARTESIAN" ]
fe8f6f
antilemma_cartesian_v1
bell_mod
5
0
[ "COUNT_CARTESIAN", "COUNT_SUM_EQUALS" ]
2
0.01
2026-02-08T07:03:02.090945Z
{ "verified": true, "answer": 1, "timestamp": "2026-02-08T07:03:02.101075Z" }
ee0950
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 233, "completion_tokens": 592 }, "timestamp": "2026-02-24T07:31:32.582Z", "answer": 1 }, { "id": ...
2
[ { "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": "V8", ...
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
ac80bf
alg_qf_psd_min_v1_1218484723_1771
Let $Q$ be the minimum value of $$41615a^{2} + 7175b^{2} -63140ac + 58835c^{2} + 31570bc -17220ab$$ over all ordered triples $(a, b, c)$ of positive integers with $1 \le b, c \le 29$ and $1 \le a \le N$, where $N$ is the number of ordered pairs $(a_1, b_1)$ with $1 \le a_1, b_1 \le 30$ satisfying $$12a_1^{2}b_1^{2} + ...
58,835
graphs = [ Graph( let={ "_n": Const(4), "result": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a1"), Var("b1")]), condition=An...
ALG
null
COMPUTE
sympy
POLY4_COUNT
[ "POLY4_COUNT" ]
861d91
alg_qf_psd_min_v1
null
6
0
[ "POLY4_COUNT" ]
1
0.068
2026-02-25T03:26:14.210815Z
{ "verified": true, "answer": 58835, "timestamp": "2026-02-25T03:26:14.278968Z" }
4eb4ba
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 300, "completion_tokens": 8479 }, "timestamp": "2026-03-29T01:17:19.907Z", "answer": 58835 }, { "...
1
[ { "lemma": "POLY4_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.14, "mid": 5.37, "hi": 7.61 }
d38579
nt_min_phi_inverse_v1_48377204_68
Let $k$ be the number of positive integers $j$ such that $1 \le j \le 22$ and $j^3 \le 10648$. Compute the smallest positive integer $n$ such that $1 \le n \le 50$ and $\phi(n) = k$.
23
graphs = [ Graph( let={ "upper": Const(50), "k": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Const(22)), Leq(Pow(Var("j"), Const(3)), Const(10648))), domain='positive_integers')), "result": MinOverSet(set=SolutionsSet(v...
NT
null
EXTREMUM
sympy
B3
[ "C3" ]
8a214c
nt_min_phi_inverse_v1
null
6
0
[ "B3", "C3" ]
2
0.037
2026-02-08T15:12:15.545784Z
{ "verified": true, "answer": 23, "timestamp": "2026-02-08T15:12:15.582977Z" }
149f27
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 111, "completion_tokens": 2385 }, "timestamp": "2026-02-16T01:50:01.279Z", "answer": 23 }, { ...
1
[ { "lemma": "C3", "status": "ok" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b9e44a
alg_poly4_sum_v1_1218484723_2759
Let $S_1$ be the number of pairs $(a1, b1)$ with $1 \le a1, b1 \le 25$ such that $2b1^2 - 2a1b1 + 13a1^2 \le 900$. Let $S_2$ be the number of pairs $(a2, b2)$ with $1 \le a2, b2 \le 40$ such that $16b2^2 - 8a2b2 + 17a2^2 \le 23201$. Compute the remainder when $$\sum_{\substack{1 \le a \le 146 \\ 1 \le b \le S_1}} \left...
4,641
graphs = [ Graph( let={ "_m": Const(23201), "_n": Const(17), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(146)), Geq(Var("b"), Const(1)), Leq(Var("b"), C...
ALG
null
COMPUTE
sympy
POLY_ORBIT_HENSEL
[ "QF_PSD_COUNT_LEQ" ]
009d0f
alg_poly4_sum_v1
null
6
0
[ "POLY_ORBIT_HENSEL", "QF_PSD_COUNT_LEQ" ]
2
0.53
2026-02-25T04:27:46.287343Z
{ "verified": true, "answer": 4641, "timestamp": "2026-02-25T04:27:46.816952Z" }
7420e9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 315, "completion_tokens": 10475 }, "timestamp": "2026-03-29T06:28:00.311Z", "answer": 59884 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
c6df0b
comb_factorial_compute_v1_1820931509_427
Let $m = 7$. Define $n$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $m$, where $\phi$ denotes Euler's totient function. Then define $n'$ to be the sum of $\phi(d)$ over all positive divisors $d$ of $n$. Compute $n'!$ (the factorial of $n'$).
5,040
graphs = [ Graph( let={ "_m": Const(7), "_n": SumOverDivisors(n=Ref(name='_m'), var='d', expr=EulerPhi(n=Var(name='d'))), "n": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "result": Factorial(Ref("n")), }, goal=Re...
NT
null
COMPUTE
sympy
K3
[ "K3/K3" ]
4ddc06
comb_factorial_compute_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T11:35:31.497993Z
{ "verified": true, "answer": 5040, "timestamp": "2026-02-08T11:35:31.499195Z" }
ab3380
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 143, "completion_tokens": 381 }, "timestamp": "2026-02-16T03:01:44.804Z", "answer": 5040 }, { "id": 11, ...
2
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" } ]
{ "lo": -10, "mid": -7.71, "hi": -5.43 }
4388a2
alg_poly4_count_v1_601307018_1905
Let $T$ be the number of ordered pairs $(a_1, b_1)$ of positive integers with $1 \le a_1, b_1 \le 30$ such that $10a_1^2 - 18a_1b_1 + 25b_1^2 \le d_{\min}$, where $d_{\min}$ is the smallest divisor of $67302907753$ that is at least $2$. Find the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le 32...
326
graphs = [ Graph( let={ "_m": Const(41200), "_n": Const(41200), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(326)), Geq(Var("b"), Const(1)), Leq(Var("b"), CountOverSet(set=Solu...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/QF_PSD_COUNT_LEQ" ]
bbcc84
alg_poly4_count_v1
null
6
0
[ "MIN_PRIME_FACTOR", "QF_PSD_COUNT_LEQ" ]
2
2.578
2026-03-10T02:40:07.052415Z
{ "verified": true, "answer": 326, "timestamp": "2026-03-10T02:40:09.630420Z" }
19a006
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 251, "completion_tokens": 32768 }, "timestamp": "2026-03-29T03:48:47.350Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ",...
{ "lo": 3.99, "mid": 6.11, "hi": 9.15 }
7e8f22
algebra_poly_eval_v1_1218484723_6437
Let $x = 19$. Compute $\max\{ x_1 \cdot y : x_1 > 0, y > 0, x_1 + y = 4 \} \cdot x^2 - 4x - 6$.
1,362
graphs = [ Graph( let={ "x": Const(19), "result": Sum(Mul(MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("y")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x1"), Var("y")), Const(4)))), expr=Mul(Var("x1"), V...
ALG
null
COMPUTE
sympy
ONE_PHI_1
[ "B1" ]
5b950e
algebra_poly_eval_v1
null
2
0
[ "B1", "ONE_PHI_1" ]
2
0.012
2026-02-25T07:59:42.797619Z
{ "verified": true, "answer": 1362, "timestamp": "2026-02-25T07:59:42.809999Z" }
fbbb1e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 166, "completion_tokens": 584 }, "timestamp": "2026-03-30T01:43:10.060Z", "answer": 1362 }, { "id...
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -10, "mid": -6.24, "hi": -2.48 }
7e78bf
nt_sum_totient_over_divisors_v1_1742523217_1752
Let $n = 82898$. Define $R = \sum_{d \mid n} \phi(d)$, where $\phi$ is Euler's totient function. Let $M$ be the maximum value of $xy$ over all pairs of positive integers $(x, y)$ such that $x + y = 116$. Compute the remainder when $R^2 + 33R + M$ is divided by $75613$.
7,829
graphs = [ Graph( let={ "_n": Const(33), "n": Const(82898), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), "_c": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive...
NT
null
COMPUTE
sympy
B1
[ "B1" ]
bf138c
nt_sum_totient_over_divisors_v1
quadratic_mod
5
0
[ "B1" ]
1
0.002
2026-02-08T04:12:53.714900Z
{ "verified": true, "answer": 7829, "timestamp": "2026-02-08T04:12:53.716873Z" }
7acd4f
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 201, "completion_tokens": 1072 }, "timestamp": "2026-02-10T15:51:04.570Z", "answer": 7829 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
325355
alg_poly_preperiod_count_v1_1218484723_2139
For a non-negative integer $a$, define the sequence \[ N = (2a^3 + 2a) \bmod 17,\quad M = (2N^3 + 2N) \bmod 17,\quad R = (2M^3 + 2M) \bmod 17, \] \[ S = (2R^3 + 2R) \bmod 17,\quad T = (2S^3 + 2S) \bmod 17,\quad K = (2T^3 + 2T) \bmod 17. \] Find the number of integers $a$ with $0 \le a \le 9417$ such that $K = M$, but $...
5,540
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(3))), Mul(Const(2), Var("a"))), modulus=Const(17)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(3))), Mul(Const(2), Ref("p1"))), modulus=Const(17)), "p3": Mod(value=Sum(Mul(Const(2), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.034
2026-02-25T03:52:04.419678Z
{ "verified": true, "answer": 5540, "timestamp": "2026-02-25T03:52:04.453577Z" }
64ced6
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": 10449 }, "timestamp": "2026-03-29T03:14:14.011Z", "answer": 5540 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -2.47, "mid": 1.2, "hi": 4.81 }
427073
comb_count_derangements_v1_1125832087_884
Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq 104472$ and $9$ divides $F_n$, where $F_n$ denotes the $n$th Fibonacci number. Let $m = |S|$. Define $T$ to be the set of all nonnegative integers $j$ such that $0 \leq j \leq m$ and $\binom{8706}{j}$ is odd. Let $t = |T|$. Compute the subfactoria...
14,833
graphs = [ Graph( let={ "_n": Const(8706), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(104472)), Divides(divisor=Const(9), ...
COMB
NT
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE/V8" ]
82a267
comb_count_derangements_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE", "V8" ]
2
0.002
2026-02-08T03:21:12.622445Z
{ "verified": true, "answer": 14833, "timestamp": "2026-02-08T03:21:12.624157Z" }
9bdd56
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 235, "completion_tokens": 3354 }, "timestamp": "2026-02-10T14:02:15.848Z", "answer": 14833 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" ...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
47eb7d
comb_binomial_compute_v1_124444284_6553
Let $n_2 = 3$. Define $t = \sum_{k=-1}^{n_2} (-1)^k \binom{n_2}{k}$. Let $n_1 = 0$ and $m = \sum_{k=0}^{n_1} (-1)^k \binom{n_1}{k}$. Define $n = (16 + t) \cdot m$. Let $k = 8$ and $\text{result} = \binom{n}{k}$. Let $c = 63133$ and $Q$ be the remainder when $c \cdot \text{result}$ is divided by $99829$. Compute $Q$.
13,479
graphs = [ Graph( let={ "n2": Const(3), "t": Summation(var="k", start=Sub(Binom(n=Const(5), k=Const(0)), Const(1)), end=Ref("n2"), expr=Mul(Pow(Const(-1), Var("k")), Binom(n=Ref("n2"), k=Var("k")))), "n1": Const(0), "m": Summation(var="k", start=Const(0), end=...
COMB
null
COMPUTE
sympy
BINOMIAL_ALTERNATING
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_0" ]
38a409
comb_binomial_compute_v1
null
3
2
[ "BINOMIAL_ALTERNATING", "ZERO_BINOM_0" ]
2
0.002
2026-02-08T08:31:52.883191Z
{ "verified": true, "answer": 13479, "timestamp": "2026-02-08T08:31:52.885528Z" }
7c1fc5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 262, "completion_tokens": 1686 }, "timestamp": "2026-02-24T09:38:08.143Z", "answer": 13479 }, { "...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status...
{ "lo": 1.15, "mid": 4.18, "hi": 6.61 }
8c3f7d
antilemma_cartesian_v1_458359167_4067
Let $x$ be the number of ordered pairs $(a,b)$ where $a$ is an integer from 1 to 33 and $b$ is an integer from 1 to 45. Compute $$ x + \phi(|x| + 1) + \tau(|x| + \binom{4}{4}), $$ where $\phi(n)$ denotes Euler's totient function and $\tau(n)$ denotes the number of positive divisors of $n$.
2,231
graphs = [ Graph( let={ "x": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(33)), right=IntegerRange(start=Const(1), end=Const(45)))), "Q": Sum(Ref("x"), EulerPhi(n=Sum(Abs(arg=Ref(name='x')), Const(1))), NumDivisors(n=Sum(Abs(arg=Ref(name='x')), Binom(...
COMB
GEOM
COMPUTE
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN", "ONE_BINOM_N" ]
f14704
antilemma_cartesian_v1
null
3
0
[ "COUNT_CARTESIAN", "ONE_BINOM_N" ]
2
0.002
2026-02-08T11:30:02.741920Z
{ "verified": true, "answer": 2231, "timestamp": "2026-02-08T11:30:02.744231Z" }
53b2a5
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": 907 }, "timestamp": "2026-02-24T14:10:24.654Z", "answer": 2231 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "ONE_BINOM_N", "status": "ok" }, { "lemma": "V7", "st...
{ "lo": -4.92, "mid": -2.91, "hi": -0.68 }
092646
sequence_count_fib_divisible_v1_124444284_1880
Let $T$ be the set of all integers $t$ such that $19 \leq t \leq 3043$ and there exist positive integers $a$, $b$ with $1 \leq a \leq 313$, $1 \leq b \leq 145$, satisfying $t = 6a + 8b + 5$. Let $u$ be the number of positive integers $n$ such that $1 \leq n \leq |T|$ and $\gcd(n, 20) = 1$. Let $r$ be the number of posi...
202
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM/C4" ]
067e5d
sequence_count_fib_divisible_v1
null
6
0
[ "C4", "LIN_FORM" ]
2
0.055
2026-02-08T04:11:51.975734Z
{ "verified": true, "answer": 202, "timestamp": "2026-02-08T04:11:52.030837Z" }
770353
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 314, "completion_tokens": 7219 }, "timestamp": "2026-02-10T15:42:55.998Z", "answer": 202 }, { "i...
1
[ { "lemma": "C4", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" },...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
3738d0
nt_sum_divisors_mod_v1_349078426_303
Let $n$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 14288400$. Let $\sigma(n)$ denote the sum of the positive divisors of $n$. Define $r$ to be the remainder when $\sigma(n)$ is divided by $10691$. Compute the remainder when $44121 \cdot r$ is divided by $78535$.
34,233
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(14288400)))), expr=Sum(Var("x"), Var("y")))), "M": Const(106...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_sum_divisors_mod_v1
null
5
0
[ "B3" ]
1
0.002
2026-02-08T12:55:15.808966Z
{ "verified": true, "answer": 34233, "timestamp": "2026-02-08T12:55:15.810736Z" }
5df44e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 136, "completion_tokens": 2339 }, "timestamp": "2026-02-15T07:21:12.966Z", "answer": 34233 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
5d35a9
nt_sum_divisors_mod_v1_655260480_5464
Let $n = \sum_{k=1}^{15} \phi(k) \left\lfloor \frac{15}{k} \right\rfloor$, where $\phi(k)$ denotes Euler's totient function. Let $\sigma$ be the sum of the positive divisors of $n$. Compute the remainder when $\sigma$ is divided by $10889$.
360
graphs = [ Graph( let={ "_n": Const(15), "n": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(15), Var("k"))))), "M": Const(10889), "sigma": SumDivisors(n=Ref("n")), "result": Mod(value=Ref("sigma"),...
NT
null
COMPUTE
sympy
K2
[ "K2" ]
6897ab
nt_sum_divisors_mod_v1
null
5
0
[ "K2" ]
1
0.002
2026-02-08T18:28:44.878950Z
{ "verified": true, "answer": 360, "timestamp": "2026-02-08T18:28:44.880696Z" }
614c76
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 120, "completion_tokens": 1737 }, "timestamp": "2026-02-18T17:24:47.486Z", "answer": 360 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8b4e0e
nt_lcm_compute_v1_48377204_404
Let $ a = 2135 $ and $ b = 1703 $. Define $ \ell = \text{lcm}(a, b) $. Let $ m $ be the maximum value of $ xy $ over all pairs of positive integers $ (x, y) $ such that $ x + y = 80 $. Compute the value of $$ (\ell^2 + 33\ell + m) \bmod 98874. $$
23,132
graphs = [ Graph( let={ "a": Const(2135), "b": Const(1703), "result": LCM(a=Ref("a"), b=Ref("b")), "_c": MaxOverSet(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
B1
[ "B1" ]
bf138c
nt_lcm_compute_v1
quadratic_mod
3
0
[ "B1" ]
1
0.003
2026-02-08T15:25:37.825063Z
{ "verified": true, "answer": 23132, "timestamp": "2026-02-08T15:25:37.827753Z" }
ddde53
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 139, "completion_tokens": 2099 }, "timestamp": "2026-02-16T05:55:58.377Z", "answer": 23132 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
77ad2a
geo_count_lattice_rect_v1_124444284_8872
Let $a = 37$ and $b = 52$. Define a lattice point as a point in the plane with integer coordinates. Compute the number of lattice points in the rectangle defined by $0 \leq x \leq a$ and $0 \leq y \leq b$, including all boundary points. Find the value of this number.
2,014
graphs = [ Graph( let={ "a": Const(37), "b": Const(52), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), }, goal=Ref("result"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T11:56:28.414617Z
{ "verified": true, "answer": 2014, "timestamp": "2026-02-08T11:56:28.415316Z" }
8e85b8
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": 270 }, "timestamp": "2026-02-24T15:00:07.832Z", "answer": 2014 }, { "id...
1
[]
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
2f7226
alg_telescope_v1_601307018_4518
Let $M$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a, b \le 40$ such that $13a^2 - 2ab + 2b^2 \le 5237$. Find the remainder when $\sum_{k=0}^{M} (3k^2 + 3k + 1)$ is divided by $\min\{ x + y : x > 0, y > 0, xy = 5731236 \}$.
3,032
graphs = [ Graph( let={ "_m": Const(13), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(40)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(40)), Leq(Sum(Mul(Const(-2), Var("a"), Var("b")), Mul(R...
ALG
null
COMPUTE
sympy
QF_PSD_COUNT_LEQ
[ "QF_PSD_COUNT_LEQ/B3" ]
837d99
alg_telescope_v1
null
6
0
[ "B3", "QF_PSD_COUNT_LEQ" ]
2
0.105
2026-03-10T05:08:54.191755Z
{ "verified": true, "answer": 3032, "timestamp": "2026-03-10T05:08:54.297109Z" }
729d47
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 220, "completion_tokens": 19417 }, "timestamp": "2026-03-29T12:37:35.157Z", "answer": 3032 }, { "...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "status": "ok" } ]
{ "lo": -3.34, "mid": 0.9, "hi": 4.9 }
b9e433
nt_min_coprime_above_v1_809748730_992
Let $A$ be the set of all ordered pairs $(x,y)$ of positive integers such that $xy = 366025$. Let $S$ be the set of all values $x+y$ where $(x,y) \in A$. Define $m$ to be the minimum value in $S$. Let $n$ be the smallest integer greater than $1111$ and at most $m$ such that $\gcd(n, 89) = 1$. Compute $n + \phi(|n| + 1)...
1,744
graphs = [ Graph( let={ "start": Const(1111), "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(366025)))), expr=Sum(Var("x"), Var...
NT
null
EXTREMUM
sympy
B3
[ "B3" ]
0cd20d
nt_min_coprime_above_v1
null
6
0
[ "B3" ]
1
0.044
2026-02-08T11:52:19.163250Z
{ "verified": true, "answer": 1744, "timestamp": "2026-02-08T11:52:19.207209Z" }
75e8c3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 190, "completion_tokens": 1632 }, "timestamp": "2026-02-14T21:30:15.959Z", "answer": 1744 }, {...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
108edb
modular_sum_quadratic_residues_v1_168721529_988
Let $p$ be the largest prime number such that $2 \leq p \leq 614$. Define $Q = 44121 \cdot \frac{p(p-1)}{4}$. Compute the remainder when $Q$ is divided by $94702$.
60,579
graphs = [ Graph( let={ "_n": Const(2), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(614)), IsPrime(Var("n"))))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "Q": Mod(value=Mul(...
NT
null
SUM
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
modular_sum_quadratic_residues_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T13:23:24.492022Z
{ "verified": true, "answer": 60579, "timestamp": "2026-02-08T13:23:24.495209Z" }
4faab4
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 173, "completion_tokens": 1382 }, "timestamp": "2026-02-09T11:36:43.907Z", "answer": 4771 }, { ...
1
[ { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no...
{ "lo": 1.84, "mid": 5.05, "hi": 8.38 }
322aa2
modular_min_linear_v1_784195855_133
Compute the smallest positive integer $x$ such that $x \leq 60450$ and $$ 49489x \equiv 58105 \pmod{60450}. $$
25,645
graphs = [ Graph( let={ "a": Const(49489), "b": Const(58105), "m": Const(60450), "result": MinOverSet(set=SolutionsSet(var=Var("x"), condition=And(Geq(Var("x"), EulerPhi(n=Const(1))), Leq(Var("x"), Ref("m")), Eq(Mod(value=Mul(Ref("a"), Var("x")), modulus=Ref("...
NT
null
EXTREMUM
sympy
ONE_PHI_1
[ "ONE_PHI_1" ]
f6b5a5
modular_min_linear_v1
null
5
0
[ "ONE_PHI_1" ]
1
4.92
2026-02-08T02:59:00.729205Z
{ "verified": true, "answer": 25645, "timestamp": "2026-02-08T02:59:05.648780Z" }
5fce93
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 153, "completion_tokens": 2929 }, "timestamp": "2026-02-08T23:04:06.524Z", "answer": 25645 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "ONE_PHI_1", "status": "ok" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -6.49, "mid": 0.51, "hi": 7.52 }
fe1bcf
alg_qf_psd_orbit_v1_601307018_1791
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq b \leq 316$ such that $8b^2 - 16ab + 8a^2 = 75272$.
219
graphs = [ Graph( let={ "_n": Const(3), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(2211))...
NT
null
COUNT
sympy
C5
[ "C5" ]
1d9668
alg_qf_psd_orbit_v1
null
6
0
[ "C5" ]
1
0.475
2026-03-10T02:32:22.194820Z
{ "verified": true, "answer": 219, "timestamp": "2026-03-10T02:32:22.670080Z" }
c09186
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 163, "completion_tokens": 727 }, "timestamp": "2026-03-29T03:24:24.792Z", "answer": 219 }, { "id"...
2
[ { "lemma": "C5", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -10, "mid": -6.41, "hi": -2.82 }
099aa8
geo_visible_lattice_v1_48377204_2080
Let $ n = 120 $. Define $ L $ to be the number of ordered pairs $ (x, y) $ of positive integers such that $ 1 \leq x, y \leq n $ and $ \gcd(x, y) = 1 $. Compute the remainder when $ 8 - L $ is divided by $ 82199 $.
73,436
graphs = [ Graph( let={ "n": Const(120), "result": VisibleLatticePoints(n=Ref(name='n')), "_c": Const(8), "Q": Mod(value=Sub(Ref("_c"), Ref("result")), modulus=Const(82199)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
3
0
null
null
1.103
2026-02-08T16:35:46.667776Z
{ "verified": true, "answer": 73436, "timestamp": "2026-02-08T16:35:47.770398Z" }
9ef7c3
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 119, "completion_tokens": 3147 }, "timestamp": "2026-02-17T07:24:36.250Z", "answer": 73436 }, ...
1
[]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
346d6c
nt_gcd_compute_v1_677425708_2999
Let $a = 196566$ and $b = 458654$. Define $\text{result} = \gcd(a, b)$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 62500$. Define $c$ to be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Compute the remainder when $c - \text{result}$ is divided by $87424$.
22,402
graphs = [ Graph( let={ "_n": Const(87424), "a": Const(196566), "b": Const(458654), "result": GCD(a=Ref("a"), b=Ref("b")), "_c": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(n...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
fc629c
nt_gcd_compute_v1
negation_mod
4
0
[ "B3" ]
1
0.003
2026-02-08T05:25:40.187680Z
{ "verified": true, "answer": 22402, "timestamp": "2026-02-08T05:25:40.190180Z" }
56ca1d
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 174, "completion_tokens": 1086 }, "timestamp": "2026-02-11T22:48:50.205Z", "answer": 498 }, { "id": 11,...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.34 }
86f9ce
nt_count_gcd_equals_v1_809748730_786
Let $k$ be the maximum value of $xy$ over all ordered pairs $(x,y)$ of positive integers such that $x + y = 36$. Let $d = 12$ and $N = 33333$. Determine the number of positive integers $n$ such that $1 \leq n \leq N$ and $\gcd(n, k) = d$. Let $Q$ be the remainder when $4$ minus this number is divided by $83929$. Comput...
82,081
graphs = [ Graph( let={ "_n": Const(83929), "upper": Const(33333), "k": 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(36)))...
NT
null
COUNT
sympy
B1
[ "B1" ]
5b950e
nt_count_gcd_equals_v1
null
4
0
[ "B1" ]
1
3.01
2026-02-08T11:45:23.614909Z
{ "verified": true, "answer": 82081, "timestamp": "2026-02-08T11:45:26.624740Z" }
413e02
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1032 }, "timestamp": "2026-02-14T18:27:01.233Z", "answer": 82081 }, ...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
f89a98
nt_count_digit_sum_v1_153355830_2045
Let $A$ be the number of positive integers $n \le 104329$ such that the sum of the decimal digits of $n$ is 31. Let $B$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 4438$. Compute the remainder when $A \cdot B$ is divided by 78678.
36,181
graphs = [ Graph( let={ "_n": Const(78678), "upper": Const(104329), "target_sum": Const(31), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Eq(DigitSum(Var("n")), Ref("target_sum"))))),...
NT
null
COUNT
sympy
COMB1
[ "COMB1" ]
54ff32
nt_count_digit_sum_v1
affine_mod
5
0
[ "COMB1" ]
1
4.664
2026-02-08T06:52:55.940591Z
{ "verified": true, "answer": 36181, "timestamp": "2026-02-08T06:53:00.604240Z" }
aec4dd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 136, "completion_tokens": 3694 }, "timestamp": "2026-02-13T05:32:40.590Z", "answer": 36181 }, ...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
b7e009
alg_poly_preperiod_count_v1_1218484723_7651
Define the sequence $N = (2a^3 + 2) \bmod 37$, $M = (2N^3 + 2) \bmod 37$, $R = (2M^3 + 2) \bmod 37$, $S = (2R^3 + 2) \bmod 37$, $T = (2S^3 + 2) \bmod 37$. Find the number of non-negative integers $a$ with $0 \le a \le 24863$ such that $T = N$, $M \neq N$, $R \neq N$, and $S \neq N$.
6,720
graphs = [ Graph( let={ "p1": Mod(value=Sum(Mul(Const(2), Pow(Var("a"), Const(3))), Const(2)), modulus=Const(37)), "p2": Mod(value=Sum(Mul(Const(2), Pow(Ref("p1"), Const(3))), Const(2)), modulus=Const(37)), "p3": Mod(value=Sum(Mul(Const(2), Pow(Ref("p2"), Const(3))), Cons...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.019
2026-02-25T09:06:34.887160Z
{ "verified": true, "answer": 6720, "timestamp": "2026-02-25T09:06:34.906299Z" }
dff2f0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 251, "completion_tokens": 19165 }, "timestamp": "2026-03-30T05:44:45.074Z", "answer": 6720 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
f1ea68
lin_form_endings_v1_349078426_1768
Let $ a = 12 $, $ b = 42 $, $ A = 31 $, and $ B = 4 $. Let $ g $ be the greatest common divisor of $ a $ and $ b $. Define $ a' = \left\lfloor \frac{a}{g} \right\rfloor $ and $ b' = \left\lfloor \frac{b}{g} \right\rfloor $. Let $ r = a' \cdot A + b' \cdot B - a' \cdot b' $. Let $ s = 6149 \cdot r $, and let $ M = 78910...
72,774
graphs = [ Graph( let={ "a_coeff": Const(12), "b_coeff": Const(42), "A_val": Const(31), "B_val": Const(4), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "ap_node": Floor(Div(Ref("a_coeff"), Ref("g_step"))), "bp_node": F...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
2
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T13:55:15.478934Z
{ "verified": true, "answer": 72774, "timestamp": "2026-02-08T13:55:15.480644Z" }
9fd9d8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 197, "completion_tokens": 612 }, "timestamp": "2026-02-15T22:02:19.727Z", "answer": 72774 }, {...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
ab60fc
comb_count_derangements_v1_655260480_4061
Let $p$ and $q$ be positive integers such that $pq = 108$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of such pairs $(p, q)$. Let $n$ be the largest prime number satisfying $m \leq n \leq 9$. Compute the subfactorial of $n$.
1,854
graphs = [ Graph( let={ "_m": Const(9), "_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=108)), Eq(left=GCD(a=Var(name='p'), b=Var(name='...
NT
COMB
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MAX_PRIME_BELOW" ]
2248fc
comb_count_derangements_v1
null
4
0
[ "COPRIME_PAIRS", "MAX_PRIME_BELOW" ]
2
0.004
2026-02-08T17:41:50.133428Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T17:41:50.137517Z" }
34dc92
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 126, "completion_tokens": 1403 }, "timestamp": "2026-02-18T06:45:44.521Z", "answer": 1854 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
05774e
diophantine_fbi2_min_v1_2051736721_923
Let $k = 180$. Let $\text{result}$ be the smallest integer $d$ such that $6 \le d \le 190$, $d$ divides $k$, and $\frac{k}{d} \ge 5$. Let $T$ be the set of integers $t$ such that $7 \le t \le 113$ and there exist positive integers $a \le 17$, $b \le 15$ for which $t = 4a + 3b$. Let $N = |T|$. Compute the remainder when...
36,072
graphs = [ Graph( let={ "_n": Const(103), "k": Const(180), "upper": Const(190), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(6)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM" ]
13c63b
diophantine_fbi2_min_v1
crt_mix_3
5
0
[ "LIN_FORM" ]
1
0.011
2026-02-08T15:45:39.107800Z
{ "verified": true, "answer": 36072, "timestamp": "2026-02-08T15:45:39.118911Z" }
71506c
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 258, "completion_tokens": 3633 }, "timestamp": "2026-02-16T12:36:23.423Z", "answer": 36072 }, ...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
4396b2
alg_sym_quad_system_v1_601307018_248
Let $R = \left(\sum_{\substack{a, b, c \geq 1 \\ a^2 + b^2 + c^2 = ab + bc + ca \\ 7a + 2b + 3c = \max\{ d \mid 12634464 : d^2 \leq 12634464 \}}} \left(a^5 + b^5 + c^{\sum_{\substack{n=2 \\ n \text{ prime}}}^{4} n}\right)\right) \bmod \max\{ d_1 \mid 36029986 : d_1^2 \leq 36029986 \}$. Let $Q$ be the multiplicative ord...
648
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(5), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Eq(Sum(Pow(Var("a"), Ref("_m")), Pow(Var("b"), Const(2)), Pow(Var("c"), Const(2))), Sum...
NT
NT
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "SUM_PRIMES", "B3_CLOSEST" ]
d1bcf4
alg_sym_quad_system_v1
null
8
0
[ "B3_CLOSEST", "MIN_PRIME_FACTOR", "SUM_PRIMES" ]
3
0.282
2026-03-10T00:48:43.109874Z
{ "verified": true, "answer": 648, "timestamp": "2026-03-10T00:48:43.391789Z" }
c5875b
CC BY 4.0
null
null
[ { "lemma": "B3_CLOSEST", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_PRIMES", "statu...
{ "lo": -10, "mid": 0, "hi": 10 }
04ea92
comb_count_surjections_v1_655260480_3635
Let $k$ be the number of ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 4$, $1 \leq j \leq 4$, and $i + j = 6$. Compute the value of $k! \cdot S(6, k)$, where $S(6, k)$ denotes the Stirling number of the second kind.
540
graphs = [ Graph( let={ "n": Const(6), "k": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(6)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(4)), right=IntegerRange(start=Const(1), end=Const(4...
COMB
null
COUNT
sympy
COMB1
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_surjections_v1
null
3
0
[ "COMB1", "COUNT_SUM_EQUALS" ]
2
0.04
2026-02-08T17:28:43.336228Z
{ "verified": true, "answer": 540, "timestamp": "2026-02-08T17:28:43.376436Z" }
f49fcb
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": 1107 }, "timestamp": "2026-02-18T02:35:13.236Z", "answer": 540 }, { ...
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": "V7", ...
{ "lo": -5.64, "mid": -3.17, "hi": -0.81 }
36976e
modular_count_residue_v1_168721529_1276
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 16$. Define $m$ to be the minimum value of $x + y$ over all such pairs. Let $u = 64009$ and $r = 4$. Compute the number of positive integers $n$ such that $1 \leq n \leq u$ and $n \equiv r \pmod{m}$.
8,001
graphs = [ Graph( let={ "upper": Const(64009), "m": 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")))...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
modular_count_residue_v1
null
3
0
[ "B3" ]
1
2.258
2026-02-08T13:33:42.868680Z
{ "verified": true, "answer": 8001, "timestamp": "2026-02-08T13:33:45.126635Z" }
80bb1a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 212, "completion_tokens": 763 }, "timestamp": "2026-02-09T15:11:50.089Z", "answer": 8001 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -5.65, "mid": -2.15, "hi": 1.88 }
c7d06e
antilemma_v1_legendre_1874849503_993
Let $A$ be the set of all positive integers $p$ such that there exists a positive integer $q$ with $p < q$, $pq = 108$, and $\gcd(p, q) = 1$. Let $d$ be the number of elements in $A$. Define $S$ as the set of all integers $n$ with $1 \leq n \leq 10628$ such that the sum of the decimal digits of $n$ leaves a remainder o...
40,290
graphs = [ Graph( let={ "_m": Const(41616), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(10628)), Eq(Mod(value=DigitSum(Var("n")), modulus=CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/L3B/V1", "V1" ]
aae8bc
antilemma_v1_legendre
null
7
0
[ "COPRIME_PAIRS", "L3B", "V1" ]
3
0.005
2026-02-08T13:30:07.317728Z
{ "verified": true, "answer": 40290, "timestamp": "2026-02-08T13:30:07.323053Z" }
edb0d3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 272, "completion_tokens": 5558 }, "timestamp": "2026-02-09T23:39:05.523Z", "answer": 40290 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "L3B", "status": "ok_later" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MOD_MUL", "status...
{ "lo": -6.5, "mid": -0.2, "hi": 6.11 }
30ce4e
comb_sum_binomial_row_v1_655260480_1793
Let $d$ be an integer satisfying $d \geq 2$ and $d \mid 537251$. Let $n$ be the smallest such $d$. Define $\alpha = 2^n$. Let $Q$ be the remainder when $61363 \cdot \alpha$ is divided by $51642$. Compute $Q$.
26,438
graphs = [ Graph( let={ "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(537251))))), "result": Pow(Const(2), Ref("n")), "_c": Const(61363), "Q": Mod(value=Mul(Ref("_c"), Ref("result...
NT
null
SUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_sum_binomial_row_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.002
2026-02-08T16:22:42.713681Z
{ "verified": true, "answer": 26438, "timestamp": "2026-02-08T16:22:42.715502Z" }
e92e1d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 117, "completion_tokens": 1336 }, "timestamp": "2026-02-17T01:19:13.229Z", "answer": 26438 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V8_SUM", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }