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4323ab
comb_sum_binomial_row_v1_124444284_9952
Let $n = 1 + 2 + 3 + 4 + 5$. Define $R = 2^n$. Compute the remainder when $12547 \cdot R$ is divided by $51425$.
48,646
graphs = [ Graph( let={ "_n": Const(5), "n": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Var("k")), "result": Pow(Const(2), Ref("n")), "_c": Const(12547), "Q": Mod(value=Mul(Ref("_c"), Ref("result")), modulus=Const(51425)), }, ...
NT
null
SUM
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
comb_sum_binomial_row_v1
null
3
0
[ "SUM_ARITHMETIC" ]
1
0.001
2026-02-08T12:44:33.547573Z
{ "verified": true, "answer": 48646, "timestamp": "2026-02-08T12:44:33.548503Z" }
e799c9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 92, "completion_tokens": 896 }, "timestamp": "2026-02-15T04:36:58.459Z", "answer": 48646 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status":...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
1882aa
comb_count_permutations_fixed_v1_168721529_1815
Let $n$ be the smallest integer greater than or equal to $2$ that divides $143$. Compute the value of $\binom{n}{8} \cdot !(n - 8)$, where $!m$ denotes the number of derangements of $m$ elements.
330
graphs = [ Graph( let={ "_n": Const(2), "n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_n")), Divides(divisor=Var("d"), dividend=Const(143))))), "k": Const(8), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(l...
NT
COMB
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
comb_count_permutations_fixed_v1
null
3
0
[ "MIN_PRIME_FACTOR" ]
1
0.003
2026-02-08T13:56:45.696834Z
{ "verified": true, "answer": 330, "timestamp": "2026-02-08T13:56:45.699775Z" }
8a25e3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 170, "completion_tokens": 640 }, "timestamp": "2026-02-09T21:56:37.410Z", "answer": 330 }, { "id"...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
8613c7
modular_sum_quadratic_residues_v1_1116507919_422
Let $c = 1386$ and $m = 4$. Let $p$ be the largest prime number $n$ such that $2 \leq n \leq k$, where $k$ is the largest integer for which $7^k$ divides $1386!$. Let $s$ be the minimum value of $x + y$ over all ordered pairs $(x,y)$ of positive integers such that $xy = 4$. Compute $\frac{p(p-1)}{s}$.
13,053
graphs = [ Graph( let={ "_c": Const(1386), "_m": Const(4), "_n": Const(2), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), MaxKDivides(target=Factorial(Ref("_c")), base=Const(7))), IsPrime(Var("n"))))), ...
NT
null
SUM
sympy
V1
[ "V1/MAX_PRIME_BELOW", "B3" ]
029b5c
modular_sum_quadratic_residues_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW", "V1" ]
3
0.003
2026-02-08T02:34:11.367096Z
{ "verified": true, "answer": 13053, "timestamp": "2026-02-08T02:34:11.370441Z" }
e6cd3b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 1095 }, "timestamp": "2026-02-08T19:32:39.039Z", "answer": 13053 }, { "...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_MUL...
{ "lo": -4.6, "mid": 0.15, "hi": 4.61 }
a1e258
nt_count_coprime_and_v1_151522320_1531
Let $A$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $p \cdot q = 24$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $A$. Let $d$ be the smallest divisor of $71383$ that is at least $m$. Compute the number of positive integers $n$ such that $n \le...
23,215
graphs = [ Graph( let={ "_n": Const(71383), "upper": Const(27663), "k1": Const(11), "k2": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MIN_PRIME_FACTOR" ]
52cee2
nt_count_coprime_and_v1
null
5
0
[ "COPRIME_PAIRS", "MIN_PRIME_FACTOR" ]
2
6.072
2026-02-08T04:04:55.039251Z
{ "verified": true, "answer": 23215, "timestamp": "2026-02-08T04:05:01.111248Z" }
8caf00
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 240, "completion_tokens": 2044 }, "timestamp": "2026-02-10T15:19:39.750Z", "answer": 23222 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status"...
{ "lo": 1.96, "mid": 5.23, "hi": 8.52 }
7323e5
geo_count_lattice_rect_v1_1742523217_5183
Let $a = 100$ and $b = 48$. Define $R$ to be the number of lattice points $(x, y)$ such that $0 \leq x \leq a$ and $0 \leq y \leq b$. Compute the remainder when $44121 \cdot R$ is divided by $56612$.
2,345
graphs = [ Graph( let={ "a": Const(100), "b": Const(48), "result": LatticePointsRect(a=Ref(name='a'), b=Ref(name='b')), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(56612)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_count_lattice_rect_v1
null
3
0
null
null
0.001
2026-02-08T10:51:05.631462Z
{ "verified": true, "answer": 2345, "timestamp": "2026-02-08T10:51:05.632621Z" }
e2fa62
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": 4413 }, "timestamp": "2026-02-24T12:23:01.360Z", "answer": 2345 }, { "i...
1
[]
{ "lo": -2.35, "mid": 1.22, "hi": 4.84 }
05b5a2
geo_count_lattice_rect_v1_1440796553_1026
Compute the number of lattice points in the rectangle $[0, 90] \times [0, 139]$.
12,740
graphs = [ Graph( let={ "a": Const(90), "b": Const(139), "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
0.004
2026-02-08T12:07:05.039757Z
{ "verified": true, "answer": 12740, "timestamp": "2026-02-08T12:07:05.043524Z" }
8d468f
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 135, "completion_tokens": 273 }, "timestamp": "2026-02-24T15:17:11.394Z", "answer": 12740 }, { "i...
2
[]
{ "lo": -10, "mid": -7.79, "hi": -5.57 }
a1899f
nt_count_divisors_in_range_v1_1918700295_1750
Let $m = 5041$. Consider the set of all ordered pairs $(x, y)$ of positive integers such that $x \cdot y = m$. Let $s$ be the minimum value of $x + y$ over all such pairs. Now consider the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = s$. Let $b$ be the maximum value of $x \cdot y$ over all ...
16,389
graphs = [ Graph( let={ "_m": Const(5041), "_n": Const(4), "n": Const(110880), "a": Const(1), "b": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(...
NT
null
COUNT
sympy
B3
[ "B3/B1" ]
7f76f7
nt_count_divisors_in_range_v1
null
6
0
[ "B1", "B3" ]
2
0.048
2026-02-08T05:59:22.964688Z
{ "verified": true, "answer": 16389, "timestamp": "2026-02-08T05:59:23.013149Z" }
fb6c08
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 2463 }, "timestamp": "2026-02-12T17:51:26.177Z", "answer": 16389 }, ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "B3", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "le...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
2892a0
comb_count_permutations_fixed_v1_809748730_1302
Let $n = 9$. Let $k$ be the largest prime number such that $2 \leq k \leq 6$. Compute $\binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements.
1,134
graphs = [ Graph( let={ "n": Const(9), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(6)), IsPrime(Var("n"))))), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(name...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_count_permutations_fixed_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T12:20:07.220509Z
{ "verified": true, "answer": 1134, "timestamp": "2026-02-08T12:20:07.222479Z" }
dd0ee2
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 117, "completion_tokens": 836 }, "timestamp": "2026-02-16T03:35:02.769Z", "answer": 1134 }, { "id": 11, ...
2
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "...
{ "lo": -10, "mid": -7.71, "hi": -5.43 }
db5b62
nt_sum_divisors_mod_v1_458359167_424
Let $n$ be the number of prime numbers between $2$ and $5443$, inclusive. Let $\sigma$ be the sum of all positive divisors of $n$. Find the remainder when $\sigma$ is divided by $11503$.
2,418
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(5443)), IsPrime(Var("n"))))), "M": Const(11503), "sigma": SumDivisors(n=Ref("n")), "result": Mod(va...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
nt_sum_divisors_mod_v1
null
4
0
[ "COUNT_PRIMES" ]
1
0.003
2026-02-08T03:17:18.045495Z
{ "verified": true, "answer": 2418, "timestamp": "2026-02-08T03:17:18.048437Z" }
59feec
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 161, "completion_tokens": 14951 }, "timestamp": "2026-02-23T18:33:09.952Z", "answer": 960 }, { ...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": 1.96, "mid": 5.23, "hi": 8.52 }
f95a11
modular_count_residue_v1_865884756_515
Let $S$ be the set of all ordered pairs $(x_1, y_1)$ of positive integers such that $x_1 + y_1 = 14$. Define $P$ to be the maximum value of $x_1 y_1$ over all such pairs in $S$. Now, let $T$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = P$. Define $m$ to be the minimum value of $x + y$ o...
21,147
graphs = [ Graph( let={ "upper": Const(40000), "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")), MaxOverSet(set=MapOverSet(set=SolutionsSet(...
COMB
null
COUNT
sympy
B1
[ "B1/B3" ]
80b49d
modular_count_residue_v1
null
6
0
[ "B1", "B3" ]
2
3.582
2026-02-08T15:29:04.892331Z
{ "verified": true, "answer": 21147, "timestamp": "2026-02-08T15:29:08.473947Z" }
522aa3
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 302, "completion_tokens": 1029 }, "timestamp": "2026-02-24T20:56:44.667Z", "answer": 21147 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status...
{ "lo": -4.1, "mid": -1.76, "hi": 1.26 }
0fc5bd
diophantine_fbi2_min_v1_865884756_1355
Let $k = 14$ and let $u = 24$. Let $d$ be the smallest integer such that $2 \le d \le u$, $d$ divides $k$, and $k/d \ge 2$. Let $m$ be the smallest divisor of $294151$ that is at least $2$. Compute the $d$-th Bell number modulo $m$. Determine the value of this remainder.
2
graphs = [ Graph( let={ "k": Const(14), "upper": Const(24), "result": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Leq(Var("d"), Ref("upper")), Divides(divisor=Var("d"), dividend=Ref("k")), Geq(Div(Ref("k"), Var("d")), Const(2))))), ...
NT
COMB
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
58d7e9
diophantine_fbi2_min_v1
bell_mod
6
0
[ "MIN_PRIME_FACTOR" ]
1
0.007
2026-02-08T15:58:32.768527Z
{ "verified": true, "answer": 2, "timestamp": "2026-02-08T15:58:32.775956Z" }
bd8e29
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": 709 }, "timestamp": "2026-02-16T17:56:54.513Z", "answer": 2 }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "st...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
b36e43
nt_sum_totient_over_divisors_v1_865884756_5413
Let $n = 46414$. Let $\mathcal{D}$ be the set of all positive divisors of $n$, and define $R = \sum_{d \mid n} \varphi(d)$, where $\varphi$ is Euler's totient function. Let $m$ be the largest prime number less than or equal to $5$. Compute the value of $$ R + \left( 2^{R \bmod (1 + 2 + \cdots + m)} \bmod 74114 \right)....
46,430
graphs = [ Graph( let={ "_n": MaxOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Const(2)), Leq(Var("n1"), Const(5)), IsPrime(Var("n1"))))), "n": Const(46414), "result": SumOverDivisors(n=Ref(name='n'), var='d', expr=EulerPhi(n=Var(name='d'))), ...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/SUM_ARITHMETIC" ]
442c69
nt_sum_totient_over_divisors_v1
mod_exp
4
0
[ "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
2
0.003
2026-02-08T18:35:43.155223Z
{ "verified": true, "answer": 46430, "timestamp": "2026-02-08T18:35:43.158141Z" }
9acf2c
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 176, "completion_tokens": 1226 }, "timestamp": "2026-02-16T12:57:05.165Z", "answer": 93084 }, { "id": 1...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "SUM_ARITHMET...
{ "lo": -8.26, "mid": -5.01, "hi": -1.76 }
3aa7b9
antilemma_k2_v1_2051736721_3008
Let $n = 321$. Let $s$ be the sum of all real solutions $x_1$ to the equation $x_1^2 - 321x_1 + 18104 = 0$. Compute $\sum_{k=1}^{s} \phi(k) \left\lfloor \frac{n}{k} \right\rfloor$, where $\phi$ denotes Euler's totient function.
51,681
graphs = [ Graph( let={ "_n": Const(321), "x": Summation(var="k", start=Const(1), end=SumOverSet(set=SolutionsSet(var=Var("x1"), condition=Eq(Sum(Pow(Var("x1"), Const(2)), Mul(Const(-321), Var("x1")), Const(18104)), Const(0)))), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var...
NT
COMB
COMPUTE
sympy
K13
[ "VIETA_SUM/K2", "K2" ]
6be084
antilemma_k2_v1
null
5
0
[ "K13", "K2", "VIETA_SUM" ]
3
0.003
2026-02-08T17:03:49.736457Z
{ "verified": true, "answer": 51681, "timestamp": "2026-02-08T17:03:49.739303Z" }
ef9244
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 132, "completion_tokens": 677 }, "timestamp": "2026-02-17T18:08:28.801Z", "answer": 51681 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
3b2955
nt_num_divisors_compute_v1_784195855_6025
Let $n = 4096$. Let $\text{result}$ be the number of positive divisors of $n$. Let $Q = \text{result} + \phi(|\text{result}| + 1) + \tau(|\text{result}| + 1)$, where $\phi$ denotes Euler's totient function and $\tau(m)$ denotes the number of positive divisors of $m$. Compute $Q$.
23
graphs = [ Graph( let={ "n": Const(4096), "result": NumDivisors(n=Ref("n")), "Q": Sum(Ref("result"), EulerPhi(n=Sum(Abs(arg=Ref(name='result')), Const(1))), NumDivisors(n=Sum(Abs(arg=Ref(name='result')), Const(1)))), }, goal=Ref("Q"), ) ]
NT
null
COMPUTE
sympy
COMB1
[ "COMB1" ]
567f58
nt_num_divisors_compute_v1
null
4
0
[ "COMB1" ]
1
0.016
2026-02-08T08:15:34.024008Z
{ "verified": true, "answer": 23, "timestamp": "2026-02-08T08:15:34.039719Z" }
d0281b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 134, "completion_tokens": 465 }, "timestamp": "2026-02-13T16:57:17.584Z", "answer": 23 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -9.14, "mid": -6.05, "hi": -3.73 }
e7b991
antilemma_v1_legendre_1520064083_3038
Let $x$ be the largest integer $k$ such that $13^k$ divides $80301!$. Compute $x$.
6,690
graphs = [ Graph( let={ "x": MaxKDivides(target=Factorial(Const(80301)), base=Const(13)), }, goal=Ref("x"), ) ]
NT
null
COMPUTE
sympy
V1
[ "V1" ]
dae96f
antilemma_v1_legendre
null
5
0
[ "V1" ]
1
0
2026-02-08T05:25:43.540827Z
{ "verified": true, "answer": 6690, "timestamp": "2026-02-08T05:25:43.541033Z" }
2044e9
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 125, "completion_tokens": 682 }, "timestamp": "2026-02-18T16:21:10.977Z", "answer": 6690 } ]
2
[ { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "same_pattern_wrong" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "ok" }, { ...
{ "lo": -10, "mid": -6.47, "hi": -2.95 }
026a3f
alg_qf_psd_orbit_v1_1218484723_3663
Find the number of ordered triples $(a, b, c)$ of positive integers such that $1 \leq a \leq b \leq c \leq 20$ and $$45a^2 + 45b^2 + 45c^2 - 40ab - 40ac - 40bc = 5770.$$
5
graphs = [ Graph( let={ "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(20)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(20)), Geq(Var("c"), Const(1)), Leq(Var("c"), Const(20)), Leq(Var("a"),...
ALG
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
alg_qf_psd_orbit_v1
null
3
null
[ "B3" ]
1
0.423
2026-02-25T05:18:30.798786Z
{ "verified": true, "answer": 5, "timestamp": "2026-02-25T05:18:31.222264Z" }
a7d7a9
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 7832 }, "timestamp": "2026-03-29T11:31:48.542Z", "answer": 4 }, { "id...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.81, "mid": 6.33, "hi": 9.49 }
752bb2
comb_binomial_compute_v1_1520064083_9592
Let $n = 14$. Let $k$ be the largest prime number $p$ such that $2 \leq p \leq 10$. Compute $\binom{n}{k}$.
3,432
graphs = [ Graph( let={ "_n": Const(2), "n": Const(14), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), Const(10)), IsPrime(Var("n"))))), "result": Binom(n=Ref("n"), k=Ref("k")), }, goal=Ref(...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_binomial_compute_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.001
2026-02-08T10:53:11.399625Z
{ "verified": true, "answer": 3432, "timestamp": "2026-02-08T10:53:11.400385Z" }
5f59d5
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 97, "completion_tokens": 786 }, "timestamp": "2026-02-15T21:05:50.518Z", "answer": 3432 }, { "id": 11, ...
2
[ { "lemma": "K18", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -10, "mid": -7.71, "hi": -5.43 }
8bc3bc
nt_count_intersection_v1_1918700295_1938
Let $N = 50000$. Let $a$ be the smallest divisor of 11011 that is at least 2. Let $b = 15$. Determine the value of the number of positive integers $n$ such that $1 \leq n \leq N$, $a$ divides $n$, and $\gcd(n, b) = 1$.
3,810
graphs = [ Graph( let={ "N": Const(50000), "a": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(11011))))), "b": Const(15), "result": CountOverSet(set=SolutionsSet(var=Var("n"), conditio...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_count_intersection_v1
null
4
0
[ "MIN_PRIME_FACTOR" ]
1
1.946
2026-02-08T06:11:22.316215Z
{ "verified": true, "answer": 3810, "timestamp": "2026-02-08T06:11:24.262376Z" }
f45dbd
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 122, "completion_tokens": 1292 }, "timestamp": "2026-02-13T11:22:23.309Z", "answer": 3810 }, {...
1
[ { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
45b92e
nt_min_crt_v1_1742523217_3390
Let $n = 7$. Define $$ \text{upper} = \sum_{k=1}^{n} \phi(k) \left\lfloor \frac{7}{k} \right\rfloor, $$ where $\phi$ denotes Euler's totient function. Let $\text{result}$ be the smallest positive integer $n$ such that $1 \leq n \leq \text{upper}$, $n \equiv 1 \pmod{4}$, and $n \equiv 3 \pmod{7}$. Compute the remainder ...
11,516
graphs = [ Graph( let={ "_n": Const(7), "m": Const(4), "k": Const(7), "a": Const(1), "b": Const(3), "upper": Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(7), Var("k"))))), ...
NT
null
EXTREMUM
sympy
K2
[ "K2" ]
6897ab
nt_min_crt_v1
null
6
0
[ "K2" ]
1
0.01
2026-02-08T05:49:38.635373Z
{ "verified": true, "answer": 11516, "timestamp": "2026-02-08T05:49:38.644941Z" }
a2e741
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 175, "completion_tokens": 1190 }, "timestamp": "2026-02-12T14:57:40.509Z", "answer": 11516 }, ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -5.92, "mid": -3.14, "hi": 0.26 }
9df417
nt_count_primes_v1_1978505735_1893
Let $A$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 6$, $\gcd(p, q) = 1$, and $p < q$. Let $S$ be the set of all prime numbers $n$ such that $A \leq n \leq 28224$. Compute the number of elements in $S$.
3,076
graphs = [ Graph( let={ "upper": Const(28224), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'),...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_primes_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
0.652
2026-02-08T16:31:07.662322Z
{ "verified": true, "answer": 3076, "timestamp": "2026-02-08T16:31:08.314227Z" }
c7a1ac
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 1946 }, "timestamp": "2026-02-17T05:01:20.663Z", "answer": 3076 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0294f7
nt_count_intersection_v1_124444284_8046
Let $N = 100000$. Let $T$ be the set of all integers $t$ such that $21 \leq t \leq 60$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 2$, $1 \leq b \leq 5$, and $t = 15a + 6b$. Let $b$ be the number of elements in $T$. Let $a = 7$. Define $S$ as the set of all positive integers $n$ such that $1 \leq ...
5,714
graphs = [ Graph( let={ "N": Const(100000), "a": Const(7), "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=C...
NT
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_count_intersection_v1
null
5
0
[ "LIN_FORM" ]
1
3.591
2026-02-08T09:30:59.529156Z
{ "verified": true, "answer": 5714, "timestamp": "2026-02-08T09:31:03.120362Z" }
5d1523
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": 1291 }, "timestamp": "2026-02-14T04:42:15.581Z", "answer": 5714 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" }...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
e53458
antilemma_sum_equals_v1_548369836_129
Let $m = 7$. Let $n$ be the number of ordered pairs $(i,j)$ of positive integers such that $1 \leq i \leq 80$, $1 \leq j \leq 80$, and $i + j = 81$. Let $x$ be the number of ordered pairs $(i,j)$ of positive integers such that $1 \leq i \leq 79$, $1 \leq j \leq 80$, and $i + j = n$. Compute the sum of the number of pos...
358
graphs = [ Graph( let={ "_m": Const(7), "_n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(81)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(80)), right=IntegerRange(start=Const(1), end=Con...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS", "ONE_BINOM_0" ]
4ed70a
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS", "ONE_BINOM_0" ]
2
0.064
2026-02-08T02:46:45.521474Z
{ "verified": true, "answer": 358, "timestamp": "2026-02-08T02:46:45.585043Z" }
359723
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 264, "completion_tokens": 2927 }, "timestamp": "2026-02-08T19:54:07.566Z", "answer": 358 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "ONE_BINOM_0", "status": "ok" }, { "lemma": "V7", "sta...
{ "lo": 0.04, "mid": 1.71, "hi": 3.18 }
5f4d40
nt_gcd_compute_v1_1742523217_3912
Let $A$ be the number of ordered pairs $(p, q)$ of positive integers such that $p < q$, $pq = 36$, and $\gcd(p, q) = 1$. Let $r$ be the greatest common divisor of $612008$ and $1147515$. Let $T$ be the set of all real numbers $x$ such that $x^A - 9025x + 671250 = 0$. Let $s$ be the sum of all elements in $T$. Comput...
35,016
graphs = [ Graph( let={ "_m": Const(51246), "_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=36)), Eq(left=GCD(a=Var(name='p'), b=Var(nam...
NT
null
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/VIETA_SUM" ]
ea2fe2
nt_gcd_compute_v1
negation_mod
6
0
[ "COPRIME_PAIRS", "VIETA_SUM" ]
2
0.004
2026-02-08T06:08:04.798712Z
{ "verified": true, "answer": 35016, "timestamp": "2026-02-08T06:08:04.802421Z" }
d2607e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 172, "completion_tokens": 2344 }, "timestamp": "2026-02-12T20:02:18.782Z", "answer": 35016 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
b56e51
algebra_poly_eval_v1_784195855_6692
Let $b = 25$. Define $S$ as the set of all integers $t$ such that there exist integers $a$ and $b'$ with $1 \leq a \leq 2$, $1 \leq b' \leq 3$, $5 \leq t \leq 12$, and $t = 3a + 2b'$. Let $c$ be the number of ordered pairs $(x_1, x_2)$ of positive odd integers such that $x_1 + x_2 = 94$. Compute the remainder when $c -...
75,756
graphs = [ Graph( let={ "_n": Const(94), "b": Const(25), "result": Sum(Pow(Ref("b"), Const(2)), Mul(Const(-2), Ref("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...
NT
null
COMPUTE
sympy
COMB1
[ "COMB1", "LIN_FORM" ]
2bb5bf
algebra_poly_eval_v1
negation_mod
4
0
[ "COMB1", "LIN_FORM" ]
2
0.004
2026-02-08T08:47:54.321898Z
{ "verified": true, "answer": 75756, "timestamp": "2026-02-08T08:47:54.325489Z" }
596a92
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": 987 }, "timestamp": "2026-02-13T21:51:57.854Z", "answer": 75756 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V3", ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
5d4404
geo_visible_lattice_v1_1125832087_389
Let $n = 80$. Define $\text{result}$ as the number of visible lattice points $(x, y)$ with $1 \leq x, y \leq n$, meaning the number of ordered pairs of positive integers $(x, y)$ in that range such that $\gcd(x, y) = 1$. Let $Q = 24025 - \text{result}$. Compute $Q$.
20,094
graphs = [ Graph( let={ "n": Const(80), "result": VisibleLatticePoints(n=Ref(name='n')), "_c": Const(24025), "Q": Sub(Ref("_c"), Ref("result")), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
6
0
null
null
0.131
2026-02-08T03:02:44.037677Z
{ "verified": true, "answer": 20094, "timestamp": "2026-02-08T03:02:44.168960Z" }
b0b72a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 197, "completion_tokens": 32768 }, "timestamp": "2026-02-23T21:28:11.476Z", "answer": null }, { ...
1
[]
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
26467a
comb_count_partitions_v1_151522320_687
Let $n$ be the largest prime number less than or equal to $41$. Compute the number of unordered partitions of $n$ into positive integers, where the order of parts does not matter.
44,583
graphs = [ Graph( let={ "_n": Const(41), "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "result": Partition(arg=Ref(name='n')), }, goal=Ref("result"), ) ]
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_count_partitions_v1
null
4
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T03:27:32.895547Z
{ "verified": true, "answer": 44583, "timestamp": "2026-02-08T03:27:32.897210Z" }
734ebc
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 150, "completion_tokens": 1240 }, "timestamp": "2026-02-10T14:32:30.719Z", "answer": 44583 }, { "...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": ...
{ "lo": -3.46, "mid": 1.03, "hi": 5.49 }
9cf6bd
geo_count_lattice_triangle_v1_1915831931_1592
Let $A$ be the area of the triangle with vertices at $(128, 100)$, $(153, 222)$, and $(0, 0)$, multiplied by $2$. Let $B$ be the number of lattice points on the boundary of this triangle. Compute $\frac{A - B + 2}{2}$.
6,555
graphs = [ Graph( let={ "_n": Const(2), "area_2x": Abs(arg=Sum(Mul(Const(value=128), Const(value=222)), Mul(Const(value=153), Sub(left=Const(value=0), right=Const(value=100))))), "boundary": Sum(GCD(a=Abs(arg=Const(value=128)), b=Abs(arg=Const(value=100))), GCD(a=Abs(arg=...
ALG
NT
COUNT
sympy
VIETA_SUM
[ "VIETA_SUM" ]
b33a7a
geo_count_lattice_triangle_v1
null
6
0
[ "VIETA_SUM" ]
1
0.009
2026-02-08T16:17:52.509666Z
{ "verified": true, "answer": 6555, "timestamp": "2026-02-08T16:17:52.518257Z" }
a66b7a
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": 1637 }, "timestamp": "2026-02-17T00:33:46.655Z", "answer": 6555 }, {...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
24e8a0
algebra_poly_eval_v1_168721529_15
Let $ d_0 $ be the smallest integer greater than or equal to 2 that divides 385. Let $ k_0 $ be the largest integer $ k $ such that $ d_0^k \le 1171938523 $. Compute the value of $ 7k_0^3 - 8k_0^2 + 9k_0 + 3 $.
11,055
graphs = [ Graph( let={ "_m": Const(3), "_n": Const(3), "b": MaxOverSet(set=SolutionsSet(var=Var("k"), condition=Leq(Pow(MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Const(385))))), Var("k")), Const(11...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/MAX_VAL" ]
266d37
algebra_poly_eval_v1
null
5
0
[ "MAX_VAL", "MIN_PRIME_FACTOR" ]
2
0.003
2026-02-08T12:46:03.684022Z
{ "verified": true, "answer": 11055, "timestamp": "2026-02-08T12:46:03.686954Z" }
daedf5
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 195, "completion_tokens": 633 }, "timestamp": "2026-02-08T20:53:24.901Z", "answer": 11055 }, { "i...
1
[ { "lemma": "K14", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MAX_VAL", "status": "ok_later" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", ...
{ "lo": -5.3, "mid": -2.04, "hi": 1.84 }
cefd57
modular_sum_quadratic_residues_v1_1520064083_7902
Let $m = 2$ and $n = 2$. Let $P$ be the set of all prime numbers $p$ such that $2 \leq p \leq T$, where $T$ is the number of prime numbers in the interval $[2, 1129]$. Let $p$ be the largest element of $P$. Compute $\frac{p(p-1)}{4}$.
8,145
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(2), "p": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_n")), Leq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), Const(1129)), IsP...
NT
null
SUM
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/MAX_PRIME_BELOW" ]
d51604
modular_sum_quadratic_residues_v1
null
5
0
[ "COUNT_PRIMES", "MAX_PRIME_BELOW" ]
2
0.002
2026-02-08T09:21:54.684438Z
{ "verified": true, "answer": 8145, "timestamp": "2026-02-08T09:21:54.686799Z" }
56d5a8
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 1019 }, "timestamp": "2026-02-14T03:54:29.969Z", "answer": 8145 }, {...
1
[ { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MOD_ADD", "status": "...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
b96cfc
comb_binomial_compute_v1_458359167_1871
Let $n = 12$. Define $k$ to be the number of integers $t$ with $17 \leq t \leq 24$ such that there exist positive integers $a$ and $b$ satisfying $1 \leq a \leq 3$, $1 \leq b \leq 2$, and $t = 2a + 3b + 12$. Let $R = \binom{n}{k}$. Compute the remainder when $76567 \cdot R$ is divided by $54661$.
16,574
graphs = [ Graph( let={ "n": Const(12), "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=3)), Geq(left=Var(na...
ALG
COMB
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_binomial_compute_v1
null
5
0
[ "LIN_FORM" ]
1
0.003
2026-02-08T04:55:00.324246Z
{ "verified": true, "answer": 16574, "timestamp": "2026-02-08T04:55:00.326785Z" }
6be73b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 228, "completion_tokens": 1741 }, "timestamp": "2026-02-24T02:18:01.519Z", "answer": 16574 }, { "...
1
[ { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
f4e04f
comb_count_permutations_fixed_v1_1520064083_7096
Let $n$ be the sum $\sum_{k=1}^{4} k$. Let $k$ be the largest prime number satisfying $2 \leq k \leq 5$. Define $\text{result} = \binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Let $Q$ be the remainder when $58643 \times \text{result}$ is divided by $50814$. Compute $Q$.
17,640
graphs = [ Graph( let={ "_m": Const(58643), "_n": Const(50814), "n": Summation(var="k", start=Const(1), end=Const(4), expr=Var("k")), "k": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(5)), IsPrime(Var("n"...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
15f63b
comb_count_permutations_fixed_v1
null
3
0
[ "MAX_PRIME_BELOW", "SUM_ARITHMETIC" ]
2
0.002
2026-02-08T08:45:34.295544Z
{ "verified": true, "answer": 17640, "timestamp": "2026-02-08T08:45:34.297513Z" }
fdcef9
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": 1354 }, "timestamp": "2026-02-13T21:29:40.964Z", "answer": 17640 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "V1", "status": "no" }, { ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
c640a5
diophantine_fbi2_count_v1_1440796553_289
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 32400$. For each such pair, compute $x + y$, and let $k$ be the minimum value of $x + y$ over all such pairs. Determine the number of positive integers $d$ such that $6 \leq d \leq 71$, $d$ divides $k$, and $4 \leq \frac{k}{d} \leq 69...
14
graphs = [ Graph( let={ "_n": Const(6), "k": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(32400)))), expr=Sum(Var("x"), Var("y")))), ...
NT
null
COUNT
sympy
MAX_PRIME_BELOW
[ "B3" ]
0cd20d
diophantine_fbi2_count_v1
null
5
0
[ "B3", "MAX_PRIME_BELOW" ]
2
0.114
2026-02-08T11:43:21.838027Z
{ "verified": true, "answer": 14, "timestamp": "2026-02-08T11:43:21.952326Z" }
fb41f3
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": 1419 }, "timestamp": "2026-02-14T17:43:31.972Z", "answer": 14 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -6.96, "mid": -4.56, "hi": -1.46 }
b5ae4d
nt_sum_over_divisible_v1_784195855_10010
Let $k$ be a positive integer such that $1 \leq k \leq 1249924$ and $169$ divides $k$. Let $N$ be the number of such integers $k$. Let $S$ be the set of all positive integers $n$ such that $1 \leq n \leq N$ and $n$ is divisible by $63$. Compute the remainder when $$ \left( \sum_{n \in S} n \right) + \left( 2^{\left( \...
11,233
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(1249924)), Divides(divisor=Const(169), dividend=Var("k"))), domain='positive_integers')), "divisor": Const(63), "result": SumOverSet(set...
ALG
NT
SUM
sympy
C2
[ "C2" ]
9685eb
nt_sum_over_divisible_v1
null
4
0
[ "C2" ]
1
0.899
2026-02-08T17:22:26.651888Z
{ "verified": true, "answer": 11233, "timestamp": "2026-02-08T17:22:27.550768Z" }
dc1ff6
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": 1331 }, "timestamp": "2026-02-18T00:43:45.302Z", "answer": 11233 }, ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "K14", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
6c58f0
nt_count_divisors_in_range_v1_798873815_228
Let $n = 15120$. Let $A$ be the set of all positive integers $k \leq 270$ such that $10$ divides $F_k$, the $k$-th Fibonacci number. Define $a = |A|$. Let $B$ be the set of all integers $t$ such that $22 \leq t \leq 4376$ and there exist positive integers $a \leq 477$, $b \leq 40$ satisfying $t = 8a + 14b$. Define $b ...
122
graphs = [ Graph( let={ "n": Const(15120), "a": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(270)), Divides(divisor=Const(10), dividend=Fibonacci(arg=Var(name='n')))))), "b": CountOverSet(set=SolutionsSet(var=Var("...
NT
null
COUNT
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
0f3003
nt_count_divisors_in_range_v1
null
6
0
[ "COUNT_FIB_DIVISIBLE", "LIN_FORM" ]
2
0.032
2026-02-08T02:31:30.505374Z
{ "verified": true, "answer": 122, "timestamp": "2026-02-08T02:31:30.537529Z" }
e5542e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 319, "completion_tokens": 32768 }, "timestamp": "2026-02-23T14:23:53.556Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST",...
{ "lo": 1.31, "mid": 2.95, "hi": 4.47 }
2bc5f8
antilemma_sum_equals_v1_1520064083_7885
Compute the number of ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 7$, $1 \leq j \leq 7$, and $i + j = 7$.
6
graphs = [ Graph( let={ "x": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(7)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(7)), right=IntegerRange(start=Const(1), end=Const(7))))), }, g...
COMB
GEOM
COMPUTE
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
antilemma_sum_equals_v1
null
2
0
[ "COUNT_SUM_EQUALS" ]
1
0.066
2026-02-08T09:21:33.273920Z
{ "verified": true, "answer": 6, "timestamp": "2026-02-08T09:21:33.340383Z" }
cc7f8a
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 158, "completion_tokens": 181 }, "timestamp": "2026-02-24T11:16:08.101Z", "answer": 6 }, { "id": ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" } ]
{ "lo": -9.23, "mid": -6.18, "hi": -4.06 }
80f808
algebra_poly_eval_v1_124444284_5301
Let $t$ be the number of integers $t$ in the range $5 \leq t \leq 15$ for which there exist integers $a$ and $b$, each between 1 and 3 inclusive, such that $t = 3a + 2b$. Let $r$ be the number of positive integers $p$ for which there exists an integer $q$ such that $pq = 120$, $\gcd(p, q) = 1$, and $p < q$. Compute the...
45,530
graphs = [ Graph( let={ "_m": Const(4), "_n": Const(58621), "t": 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
COPRIME_PAIRS
[ "COPRIME_PAIRS", "LIN_FORM" ]
67610e
algebra_poly_eval_v1
null
6
0
[ "COPRIME_PAIRS", "LIN_FORM" ]
2
0.006
2026-02-08T06:32:13.601423Z
{ "verified": true, "answer": 45530, "timestamp": "2026-02-08T06:32:13.606938Z" }
69364d
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 196, "completion_tokens": 1910 }, "timestamp": "2026-02-13T01:17:33.094Z", "answer": 45530 }, ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K18", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
e454ae
nt_sum_divisors_mod_v1_1978505735_328
Let $n$ be the number of prime numbers between $2$ and $14323$, inclusive. Let $\sigma(n)$ denote the sum of all positive divisors of $n$. Compute the remainder when $\sigma(n)$ is divided by $10243$.
5,952
graphs = [ Graph( let={ "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Var("n1"), condition=And(Geq(Var("n1"), Ref("_n")), Leq(Var("n1"), Const(14323)), IsPrime(Var("n1"))))), "M": Const(10243), "sigma": SumDivisors(n=Ref("n")), "result": M...
NT
null
COMPUTE
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
nt_sum_divisors_mod_v1
null
3
0
[ "COUNT_PRIMES" ]
1
0.006
2026-02-08T15:18:35.670145Z
{ "verified": true, "answer": 5952, "timestamp": "2026-02-08T15:18:35.676360Z" }
0f4b48
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": 3840 }, "timestamp": "2026-02-16T04:29:01.989Z", "answer": 5952 }, { ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no"...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
1879c0
comb_binomial_compute_v1_124444284_6194
Let $c = 5$. Define $m$ to be the sum $$ \sum_{k=1}^{n} \phi(k) \left\lfloor \frac{5}{k} \right\rfloor, $$ where $n$ is the largest prime at most $5$. Let $p$ be the largest prime number that is at most $m$. Compute the remainder when $44121 \cdot \binom{p}{5}$ is divided by $82399$.
10,816
graphs = [ Graph( let={ "_c": Const(5), "_m": Const(82399), "_n": Summation(var="k", start=Const(1), end=MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(5)), IsPrime(Var("n"))))), expr=Mul(EulerPhi(n=Var("k")), Floor(Di...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW/K2/MAX_PRIME_BELOW" ]
1000f8
comb_binomial_compute_v1
null
4
0
[ "K2", "MAX_PRIME_BELOW" ]
2
0.003
2026-02-08T08:11:21.198508Z
{ "verified": true, "answer": 10816, "timestamp": "2026-02-08T08:11:21.201358Z" }
c6d87e
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 144, "completion_tokens": 1491 }, "timestamp": "2026-02-13T15:35:35.604Z", "answer": 10816 }, ...
1
[ { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
c19fbc
nt_sum_over_divisible_v1_458359167_1011
Let $\text{upper}$ be the number of ordered pairs $(i, j)$ such that $1 \le i \le 70$ and $1 \le j \le 100$. Let $\text{result}$ be the sum of all positive integers $n \le \text{upper}$ such that $n$ is divisible by 99. Find the remainder when $72977 \cdot \text{result}$ is divided by 63160.
17,175
graphs = [ Graph( let={ "upper": CountOverSet(set=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(70)), right=IntegerRange(start=Const(1), end=Const(100)))), "divisor": Const(99), "result": SumOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"),...
NT
null
SUM
sympy
COUNT_CARTESIAN
[ "COUNT_CARTESIAN" ]
409d7d
nt_sum_over_divisible_v1
null
3
0
[ "COUNT_CARTESIAN" ]
1
0.223
2026-02-08T04:13:27.624700Z
{ "verified": true, "answer": 17175, "timestamp": "2026-02-08T04:13:27.847208Z" }
53a10e
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 205, "completion_tokens": 2022 }, "timestamp": "2026-02-10T15:53:14.496Z", "answer": 17175 }, { ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
dc3cb7
comb_count_permutations_fixed_v1_458359167_2643
Let $n = 7$. Let $k$ be the sum of all integers $x$ such that $x^2 - 2x - 4899 = 0$. Compute $\binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements.
924
graphs = [ Graph( let={ "_n": Const(2), "n": Const(7), "k": SumOverSet(set=SolutionsSet(var=Var("x"), condition=Eq(Sum(Pow(Var("x"), Ref("_n")), Mul(Const(-2), Var("x")), Const(-4899)), Const(0)))), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg...
COMB
null
COUNT
sympy
V8
[ "VIETA_SUM" ]
b33a7a
comb_count_permutations_fixed_v1
null
4
0
[ "V8", "VIETA_SUM" ]
2
0.008
2026-02-08T06:24:36.907579Z
{ "verified": true, "answer": 924, "timestamp": "2026-02-08T06:24:36.915775Z" }
972835
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 183, "completion_tokens": 1047 }, "timestamp": "2026-02-24T06:48:39.035Z", "answer": 924 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" }, { "lemma": "VIETA_SUM", "status": "ok" }...
{ "lo": -7.18, "mid": -5, "hi": -3.01 }
396f44
sequence_lucas_compute_v1_1915831931_2516
Let $m = 4235$ and $N = 18$. Let $n$ be the number of positive integers $j$ such that $1 \le j \le N$ and $j^d \le 1889568$, where $d$ is the smallest divisor of $m$ that is at least $2$. Let $L_n$ denote the $n$-th Lucas number, defined by $L_1 = 1$, $L_2 = 3$, and $L_k = L_{k-1} + L_{k-2}$ for $k \ge 3$. Determine th...
5,778
graphs = [ Graph( let={ "_m": Const(4235), "_n": Const(18), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(1)), Leq(Var("j"), Ref("_n")), Leq(Pow(Var("j"), MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)),...
NT
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/C3" ]
92256e
sequence_lucas_compute_v1
null
5
0
[ "C3", "MIN_PRIME_FACTOR" ]
2
0.004
2026-02-08T16:54:51.637437Z
{ "verified": true, "answer": 5778, "timestamp": "2026-02-08T16:54:51.641615Z" }
eadfe5
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": 754 }, "timestamp": "2026-02-17T15:20:44.794Z", "answer": 5778 }, { ...
1
[ { "lemma": "C3", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "DS2", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_FACTORIAL", "statu...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
223efb
nt_euler_phi_compute_v1_48377204_3062
Let $c$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 14288400$. Compute $\phi(80656)$, and let this value be $\varphi$. Find the remainder when $c - \varphi$ is divided by 93406.
61,206
graphs = [ Graph( let={ "n": Const(80656), "result": EulerPhi(n=Ref("n")), "_c": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Co...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
fc629c
nt_euler_phi_compute_v1
negation_mod
4
0
[ "B3" ]
1
0.006
2026-02-08T17:09:20.408187Z
{ "verified": true, "answer": 61206, "timestamp": "2026-02-08T17:09:20.414508Z" }
d76643
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": 1465 }, "timestamp": "2026-02-17T20:37:37.501Z", "answer": 61206 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
18ac3b
comb_bell_compute_v1_168721529_1411
Let $m$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq=54$, $\gcd(p,q)=1$, and $p<q$. Let $d$ be the smallest positive integer such that $d\ge m$ and $d$ divides $48841$. Consider all ordered pairs $(i,j)$ of integers with $1\le i\le 10$, $1\le j\le 10$, and $i+j=10...
65,226
graphs = [ Graph( let={ "_m": Const(48841), "_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=54)), Eq(left=GCD(a=Var(name='p'), b=Var(nam...
NT
COMB
COMPUTE
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/MIN_PRIME_FACTOR", "COUNT_SUM_EQUALS" ]
b5673b
comb_bell_compute_v1
negation_mod
6
0
[ "COPRIME_PAIRS", "COUNT_SUM_EQUALS", "MIN_PRIME_FACTOR" ]
3
0.016
2026-02-08T13:41:28.444482Z
{ "verified": true, "answer": 65226, "timestamp": "2026-02-08T13:41:28.460417Z" }
7ed318
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 271, "completion_tokens": 2233 }, "timestamp": "2026-02-09T16:36:50.738Z", "answer": 65226 }, { "...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": ...
{ "lo": -1.95, "mid": 2.14, "hi": 6.33 }
f2c3b1
nt_num_divisors_compute_v1_2051736721_5297
Let $n$ be the number of nonnegative integers $j$ such that $0 \leq j \leq 79860$ and $\binom{79860}{j}$ is odd. Let $d$ be the number of positive divisors of $n$. Compute the remainder when $|d|$ is divided by 60856.
12
graphs = [ Graph( let={ "_n": Const(60856), "n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(79860)), Eq(Mod(value=Binom(n=Const(79860), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonnegative_integers')), ...
NT
null
COMPUTE
sympy
VIETA_SUM
[ "V8" ]
86348e
nt_num_divisors_compute_v1
null
7
0
[ "V8", "VIETA_SUM" ]
2
0.019
2026-02-08T18:28:39.954913Z
{ "verified": true, "answer": 12, "timestamp": "2026-02-08T18:28:39.973670Z" }
f8f940
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 116, "completion_tokens": 3206 }, "timestamp": "2026-02-18T17:21:39.854Z", "answer": 12 }, { ...
1
[ { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "ok" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5349ea
nt_count_divisible_v1_784195855_8319
Let $d$ be the smallest divisor of $143$ that is greater than or equal to $2$. Compute the number of positive integers $n$ such that $n \leq 37249$ and $n$ is divisible by $d$.
3,386
graphs = [ Graph( let={ "_n": Const(143), "upper": Const(37249), "divisor": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Const(2)), Divides(divisor=Var("d"), dividend=Ref("_n"))))), "result": CountOverSet(set=SolutionsSet(var=Var("n"),...
NT
null
COUNT
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR" ]
bc3776
nt_count_divisible_v1
null
2
0
[ "MIN_PRIME_FACTOR" ]
1
1.316
2026-02-08T16:00:42.508254Z
{ "verified": true, "answer": 3386, "timestamp": "2026-02-08T16:00:43.824746Z" }
cd032b
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 114, "completion_tokens": 276 }, "timestamp": "2026-02-16T06:51:03.754Z", "answer": 3386 }, { "id": 11, ...
2
[ { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5", "sta...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
c47f3e
nt_gcd_compute_v1_1978505735_2631
Let $d = \gcd(458416, 859530)$. Let $p$ be the largest prime number at most $5006$. Compute the value of $d \bmod 293 + p \cdot (d \bmod 337)$.
60,203
graphs = [ Graph( let={ "_n": Const(293), "a": Const(458416), "b": Const(859530), "result": GCD(a=Ref("a"), b=Ref("b")), "_c": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(5006)), IsPrime(Var(...
NT
null
COMPUTE
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
08a653
nt_gcd_compute_v1
two_moduli
3
0
[ "MAX_PRIME_BELOW" ]
1
0.003
2026-02-08T17:02:14.556112Z
{ "verified": true, "answer": 60203, "timestamp": "2026-02-08T17:02:14.558746Z" }
b93623
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": 1559 }, "timestamp": "2026-02-17T18:34:22.484Z", "answer": 60203 }, {...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "V1", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
707519
diophantine_product_count_v1_458359167_888
Let $n = 3$. Define $S = \sum_{k=1}^{n} \varphi(k) \left\lfloor \frac{3}{k} \right\rfloor$, and let $T = \sum_{k=1}^{S} k$. Determine the number of positive integers $x$ such that $1 \leq x \leq T$, $x$ divides $240$, and $\frac{240}{x} \leq T$. Compute this number.
4
graphs = [ Graph( let={ "_n": Const(3), "k": Const(240), "upper": Summation(var="k", start=Const(1), end=Summation(var="k", start=Const(1), end=Ref("_n"), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Const(3), Var("k"))))), expr=Var("k")), "result": CountOverSet(s...
NT
null
COUNT
sympy
B3
[ "K2/SUM_ARITHMETIC" ]
5a4674
diophantine_product_count_v1
null
4
0
[ "B3", "K2", "SUM_ARITHMETIC" ]
3
0.285
2026-02-08T04:09:01.113136Z
{ "verified": true, "answer": 4, "timestamp": "2026-02-08T04:09:01.398156Z" }
4da09b
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 215, "completion_tokens": 1295 }, "timestamp": "2026-02-10T15:34:56.432Z", "answer": 4 }, { "id"...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma...
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
73e596
comb_count_permutations_fixed_v1_458359167_2959
Let $k$ be the number of integers $t$ in the range $5 \leq t \leq 15$ for which there exist integers $a$ and $b$, each at least 1 and at most 3, such that $t = 3a + 2b$. Let $n = 11$. Compute $\binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements. Then find the remainder when $8978...
50,205
graphs = [ Graph( let={ "_n": Const(65170), "n": Const(11), "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=...
COMB
null
COUNT
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
comb_count_permutations_fixed_v1
null
5
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T06:52:03.487843Z
{ "verified": true, "answer": 50205, "timestamp": "2026-02-08T06:52:03.489679Z" }
018c7b
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 241, "completion_tokens": 2454 }, "timestamp": "2026-02-24T07:10:59.351Z", "answer": 50205 }, { "...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
f8e0f2
antilemma_sum_equals_v1_458359167_2257
Let $d = 68$. Let $m$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 66$, $1 \leq j \leq 67$, and $i + j = d$. Let $n$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 64$, $1 \leq j \leq 65$, and $i + j = m$. Let $x$ be the number of ordered p...
18,323
graphs = [ Graph( let={ "_d": Const(68), "_m": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Ref("_d")), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(66)), right=IntegerRange(start=Const(1), end=Co...
COMB
GEOM
COMPUTE
sympy
LIN_FORM
[ "COUNT_SUM_EQUALS/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS" ]
ae9919
antilemma_sum_equals_v1
null
4
0
[ "COUNT_SUM_EQUALS", "LIN_FORM" ]
2
0.032
2026-02-08T05:14:07.303567Z
{ "verified": true, "answer": 18323, "timestamp": "2026-02-08T05:14:07.335774Z" }
19b32d
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 295, "completion_tokens": 830 }, "timestamp": "2026-02-24T03:02:16.303Z", "answer": 18323 }, { "i...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -4.93, "mid": -2.91, "hi": -0.71 }
a6bf6f
sequence_fibonacci_compute_v1_1978505735_1818
Let $n = 20$. Define $S$ to be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y$ equals the number of positive integers $n_1 \leq 696$ for which $9$ divides the $n_1$-th Fibonacci number. Let $P$ be the set of all values of $xy$ as $(x, y)$ ranges over $S$. Compute the remainder when $$ \max...
74,982
graphs = [ Graph( let={ "_m": Const(9), "_n": Const(80906), "n": Const(20), "result": Fibonacci(arg=Ref(name='n')), "Q": Mod(value=Sub(MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg...
NT
null
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE/B1" ]
e038e4
sequence_fibonacci_compute_v1
negation_mod
6
0
[ "B1", "COUNT_FIB_DIVISIBLE" ]
2
0.003
2026-02-08T16:24:29.159860Z
{ "verified": true, "answer": 74982, "timestamp": "2026-02-08T16:24:29.163271Z" }
603d39
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 174, "completion_tokens": 1379 }, "timestamp": "2026-02-17T04:54:43.413Z", "answer": 74982 }, ...
1
[ { "lemma": "B1", "status": "ok_later" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "LTE_DIFF_P2", ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
518c16
comb_bell_compute_v1_1742523217_1215
Let $ n = 9 $. Compute the Bell number $ B_n $, and let $ r $ be the remainder when $ B_n $ is divided by 11. Determine the value of $ B_r $.
52
graphs = [ Graph( let={ "n": Const(9), "result": Bell(Ref("n")), "Q": Bell(Mod(value=Abs(arg=Ref(name='result')), modulus=Const(11))), }, goal=Ref("Q"), ) ]
COMB
null
COMPUTE
sympy
K3
[ "MIN_PRIME_FACTOR", "COPRIME_PAIRS" ]
e00f22
comb_bell_compute_v1
bell_mod
4
0
[ "COPRIME_PAIRS", "K3", "MIN_PRIME_FACTOR" ]
3
0.043
2026-02-08T03:32:07.097158Z
{ "verified": true, "answer": 52, "timestamp": "2026-02-08T03:32:07.139867Z" }
ad3766
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 152, "completion_tokens": 454 }, "timestamp": "2026-02-10T05:09:31.734Z", "answer": 52 }, { "id":...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }...
{ "lo": -3.83, "mid": -1.68, "hi": 1.09 }
9b7490
antilemma_sum_equals_v1_1742523217_2360
Let $m = 2$. Define $n$ to be the number of integers $t$ such that $5 \leq t \leq 21$ and there exist positive integers $a$ and $b$ with $1 \leq a \leq 6$, $1 \leq b \leq 3$, and $t = 2a + 3b$. Let $x$ be the number of ordered pairs $(i, j)$ of positive integers such that $1 \leq i \leq 15$, $1 \leq j \leq 15$, and $i ...
20
graphs = [ Graph( let={ "_m": Const(2), "_n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=6)), Geq(left=Var(n...
COMB
GEOM
COMPUTE
sympy
COMB1
[ "COMB1", "LIN_FORM/COUNT_SUM_EQUALS", "COUNT_SUM_EQUALS", "ONE_FACTORIAL_0" ]
2acf76
antilemma_sum_equals_v1
digits_weighted_mod
6
0
[ "COMB1", "COUNT_SUM_EQUALS", "LIN_FORM", "ONE_FACTORIAL_0" ]
4
0.019
2026-02-08T04:43:04.206309Z
{ "verified": true, "answer": 20, "timestamp": "2026-02-08T04:43:04.225290Z" }
296bd0
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 335, "completion_tokens": 2292 }, "timestamp": "2026-02-11T21:54:15.490Z", "answer": 20 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "LIN_FORM", "sta...
{ "lo": -2.46, "mid": 0.47, "hi": 3.59 }
5eebbc
nt_count_divisible_and_v1_655260480_2428
Let $ m = 2 $ and let $ n $ be the number of prime numbers between $ m $ and $ 97 $, inclusive. Let $ S $ be the set of all ordered pairs $ (x, y) $ of positive integers such that $ xy = n $. Let $ d_1 $ be the minimum value of $ x + y $ as $ (x, y) $ ranges over $ S $, and let $ d_2 = 15 $. Determine the number of pos...
3,352
graphs = [ Graph( let={ "_m": Const(2), "_n": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Ref("_m")), Leq(Var("n"), Const(97)), IsPrime(Var("n"))))), "upper": Const(100560), "d1": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple...
NT
null
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/B3" ]
3caaca
nt_count_divisible_and_v1
null
6
0
[ "B3", "COUNT_PRIMES" ]
2
5.078
2026-02-08T16:43:34.956091Z
{ "verified": true, "answer": 3352, "timestamp": "2026-02-08T16:43:40.034164Z" }
ce6a13
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": 731 }, "timestamp": "2026-02-17T11:18:34.658Z", "answer": 3352 }, { ...
1
[ { "lemma": "B3", "status": "ok_later" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
8919b7_n
algebra_poly_eval_v1_1218484723_7430
A cryptography lab studies a three-stage encryption process on integers $a$ between $0$ and $78$ inclusive. First, $a$ is cubed and reduced modulo $79$. Second, the result is cubed again and reduced modulo $79$. Third, that result is cubed once more and reduced modulo $M$, where $M$ is the smallest positive integer tha...
3,854
ALG
null
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/POLY_ORBIT_COUNT" ]
0f1936
algebra_poly_eval_v1
null
7
null
[ "MIN_PRIME_FACTOR", "POLY_ORBIT_COUNT" ]
2
0.005
2026-02-25T08:52:26.664275Z
null
2b9c88
8919b7
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 307, "completion_tokens": 32768 }, "timestamp": "2026-03-31T02:25:50.761Z", "answer": null }, { ...
1
[ { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_ORBIT_COUNT", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 3.8, "mid": 6.33, "hi": 9.49 }
b0e6be
modular_sum_quadratic_residues_v1_1125832087_189
Let $n = 661$. Define $p = \sum_{d \mid n} \phi(d)$, where $\phi$ denotes Euler's totient function. Let $r = \frac{p(p-1)}{4}$. Compute the remainder when $44121 \cdot r$ is divided by $53920$.
20,385
graphs = [ Graph( let={ "_n": Const(661), "p": SumOverDivisors(n=Ref(name='_n'), var='d', expr=EulerPhi(n=Var(name='d'))), "result": Div(Mul(Ref("p"), Sub(Ref("p"), Const(1))), Const(4)), "Q": Mod(value=Mul(Const(44121), Ref("result")), modulus=Const(53920)), ...
NT
null
SUM
sympy
K3
[ "K3" ]
54c41e
modular_sum_quadratic_residues_v1
null
5
0
[ "K3" ]
1
0.002
2026-02-08T02:55:40.099782Z
{ "verified": true, "answer": 20385, "timestamp": "2026-02-08T02:55:40.101689Z" }
46e959
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 180, "completion_tokens": 1457 }, "timestamp": "2026-02-10T12:49:24.867Z", "answer": 20385 }, { "...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -0.04, "mid": 1.69, "hi": 3.25 }
163bef
diophantine_product_count_v1_1470522791_1894
Let $k = 420$. Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $xy = 13456$. Let $u$ be the minimum value of $x + y$ as $(x, y)$ ranges over $S$. Define $T$ to be the set of all positive integers $x$ such that $1 \leq x \leq u$, $x$ divides $k$, and $\frac{k}{x} \leq u$. Let $r$ be the n...
44,088
graphs = [ Graph( let={ "k": Const(420), "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(13456)))), expr=Sum(Var("x"), Var("y"))...
NT
null
COUNT
sympy
B3
[ "B3" ]
0cd20d
diophantine_product_count_v1
null
5
0
[ "B3" ]
1
0.013
2026-02-08T14:04:54.262060Z
{ "verified": true, "answer": 44088, "timestamp": "2026-02-08T14:04:54.274716Z" }
aea2f9
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 191, "completion_tokens": 1835 }, "timestamp": "2026-02-15T23:49:19.542Z", "answer": 44088 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
eef587
antilemma_k2_v1_655260480_81
Let $n = 50$. Compute the remainder when $44121$ times the sum $\sum_{k=1}^{50} \phi(k) \left\lfloor \frac{n}{k} \right\rfloor$ is divided by 87151, where $\phi(k)$ denotes Euler's totient function.
41,880
graphs = [ Graph( let={ "_n": Const(50), "x": Summation(var="k", start=Const(1), end=Const(50), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "Q": Mod(value=Mul(Const(44121), Ref("x")), modulus=Const(87151)), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
4
0
[ "K2" ]
1
0.001
2026-02-08T15:10:17.757265Z
{ "verified": true, "answer": 41880, "timestamp": "2026-02-08T15:10:17.758156Z" }
8051b4
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": 939 }, "timestamp": "2026-02-16T00:27:58.208Z", "answer": 41880 }, {...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
bdd92c
antilemma_k3_v1_151522320_2554
Let $x$ be the sum of $\phi(d)$ over all positive divisors $d$ of $47385$, where $\phi$ denotes Euler's totient function. Compute $75625 - x$.
28,240
graphs = [ Graph( let={ "x": SumOverDivisors(n=Const(value=47385), var='d', expr=EulerPhi(n=Var(name='d'))), "Q": Sub(Const(75625), Ref("x")), }, goal=Ref("Q"), ) ]
NT
COMB
COMPUTE
sympy
K3
[ "K3" ]
54c41e
antilemma_k3_v1
null
3
0
[ "K3" ]
1
0.001
2026-02-08T04:52:43.734898Z
{ "verified": true, "answer": 28240, "timestamp": "2026-02-08T04:52:43.735439Z" }
b29d68
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": 283 }, "timestamp": "2026-02-11T22:21:38.425Z", "answer": 28240 }, { "...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K3", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V3", "status": "no" } ]
{ "lo": -3.42, "mid": 1.86, "hi": 7.55 }
3654bc
alg_linear_system_2x2_v1_1218484723_7703
Let $\det = 14$, $N = 1051491 - 217 \cdot (-3)$, $M = 14 \cdot 217$, and $R = \frac{N}{\det} + \frac{M}{\det}$. Compute $|R|$.
75,370
graphs = [ Graph( let={ "num_x": Sub(Const(1051491), Mul(Const(217), Const(-3))), "num_y": Mul(Const(14), Const(217)), "det": Const(14), "result": Sum(Div(Ref("num_x"), Ref("det")), Div(Ref("num_y"), Ref("det"))), "Q": Abs(arg=Ref(name='result')), ...
ALG
null
COMPUTE
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT/QF_PSD_MIN" ]
e0f30b
alg_linear_system_2x2_v1
null
2
0
[ "POLY_ORBIT_COUNT", "QF_PSD_MIN" ]
2
0.1
2026-02-25T09:10:44.170946Z
{ "verified": true, "answer": 75370, "timestamp": "2026-02-25T09:10:44.270731Z" }
719ea5
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": 737 }, "timestamp": "2026-03-30T06:00:54.266Z", "answer": 75370 }, { "i...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_MIN", "status": "ok_later" } ]
{ "lo": -6.2, "mid": -2.87, "hi": 0.44 }
81e6dc
alg_poly_preperiod_count_v1_601307018_9000
Let $N \equiv a^2 - 6 \pmod{89}$, $M \equiv N^2 - 6 \pmod{89}$, $R \equiv M^2 - 6 \pmod{89}$, $S \equiv R^2 - 6 \pmod{89}$, and $T \equiv S^2 - 6 \pmod{89}$. Find the number of non-negative integers $a$ with $0 \le a \le 165361$ such that $T = M$, $R \ne M$, and $S \ne M$.
14,864
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-6)), modulus=Const(89)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(-6)), modulus=Const(89)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(-6)), modulus=Const(89)), "p4...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.031
2026-03-10T09:25:51.010354Z
{ "verified": true, "answer": 14864, "timestamp": "2026-03-10T09:25:51.041065Z" }
20cf4c
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 244, "completion_tokens": 20163 }, "timestamp": "2026-04-19T10:24:20.031Z", "answer": 14864 }, { ...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -5.34, "mid": 1.1, "hi": 7.53 }
51e7e6
lin_form_endings_v1_1918700295_4415
Let $a = 21$ and $b = 6$. Let $A = 41$ and $B = 42$. Let $g = \gcd(a, b)$. Define $N = (aA + bB) - (a + b)$. Let $k = 11103$ and $M = 52207$. Compute the remainder when $k \left( \left\lfloor \frac{N}{g} \right\rfloor + 1 \right)$ is divided by $M$.
10,450
graphs = [ Graph( let={ "a_coeff": Const(21), "b_coeff": Const(6), "A_val": Const(41), "B_val": Const(42), "g_step": GCD(a=Ref("a_coeff"), b=Ref("b_coeff")), "numerator": Sub(Sum(Mul(Ref("a_coeff"), Ref("A_val")), Mul(Ref("b_coeff"), Re...
COMB
NT
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.001
2026-02-08T09:21:50.102642Z
{ "verified": true, "answer": 10450, "timestamp": "2026-02-08T09:21:50.103262Z" }
e72880
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": 915 }, "timestamp": "2026-02-14T03:19:04.236Z", "answer": 10450 }, {...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
866b59
algebra_poly_eval_v1_349078426_210
Let $m = 3$ and $n = 4$. Let $k = 6$. Define $$ \ell = 8k^n - 10k^3 + \left( \sum_{k=1}^{\sum_{k=1}^{2} \phi(k) \left\lfloor \frac{2}{k} \right\rfloor} \phi(k) \left\lfloor \frac{m}{k} \right\rfloor \right) k^2 - k - 10. $$ Compute the sum of the number of positive divisors of all positive integers from $1$ to $|\ell|$...
77,289
graphs = [ Graph( let={ "_m": Const(3), "_n": Const(4), "k": Const(6), "result": Sum(Mul(Const(8), Pow(Ref("k"), Ref("_n"))), Mul(Const(-10), Pow(Ref("k"), Const(3))), Mul(Summation(var="k", start=Const(1), end=Summation(var="k", start=Const(1), end=Const(2), ...
NT
null
COMPUTE
sympy
K2
[ "K2/K2" ]
ddede2
algebra_poly_eval_v1
null
6
0
[ "K2" ]
1
0.004
2026-02-08T12:52:39.909703Z
{ "verified": true, "answer": 77289, "timestamp": "2026-02-08T12:52:39.913493Z" }
b262b2
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": 6028 }, "timestamp": "2026-02-15T07:14:32.663Z", "answer": 77289 }, ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" ...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
f9895a
alg_poly_preperiod_count_v1_601307018_5573
For a non-negative integer $a$, define a sequence by $N = (a^2 - 22) \bmod 97$, $M = (N^2 - 22) \bmod 97$, $R = (M^2 - 22) \bmod 97$, and $S = (R^2 - 22) \bmod 97$. Find the number of integers $a$ with $0 \le a \le 88657$ such that $S = M$ and $R \ne M$.
4,570
graphs = [ Graph( let={ "p1": Mod(value=Sum(Pow(Var("a"), Const(2)), Const(-22)), modulus=Const(97)), "p2": Mod(value=Sum(Pow(Ref("p1"), Const(2)), Const(-22)), modulus=Const(97)), "p3": Mod(value=Sum(Pow(Ref("p2"), Const(2)), Const(-22)), modulus=Const(97)), ...
ALG
null
COUNT
sympy
POLY_ORBIT_COUNT
[ "POLY_ORBIT_COUNT" ]
4ad965
alg_poly_preperiod_count_v1
null
6
null
[ "POLY_ORBIT_COUNT" ]
1
0.027
2026-03-10T06:08:56.747101Z
{ "verified": true, "answer": 4570, "timestamp": "2026-03-10T06:08:56.774531Z" }
c35db6
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 225, "completion_tokens": 6508 }, "timestamp": "2026-04-19T02:24:50.675Z", "answer": 4570 }, { "...
1
[ { "lemma": "POLY_ORBIT_COUNT", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": -3.31, "mid": 1.32, "hi": 5.87 }
e1b275
alg_qf_psd_sum_v1_1218484723_7600
Let $M$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le b \le 30$ such that \[ 32b^{2} + 32a^{2} - 64ab = 9248. \] Compute the remainder when \[ \sum_{\substack{1 \le a_1 \le 187\\1 \le b_1 \le 187}} \Bigl(M b_1^{2} + 10a_1 b_1 + \left|\{(a_2,b_2) : 1 \le a_2 \le 35,\ 1 \le b_2 \le 35,\\ ...
7,684
graphs = [ Graph( let={ "_c": Const(32), "_m": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(30)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(30)), Leq(Var("a"), Var("b")), Eq(Sum(Mul(Const(32), Po...
ALG
null
COMPUTE
sympy
B3
[ "B3/QF_PSD_COUNT", "QF_PSD_ORBIT/B3" ]
410b59
alg_qf_psd_sum_v1
null
8
0
[ "B3", "QF_PSD_COUNT", "QF_PSD_ORBIT" ]
3
0.078
2026-02-25T09:02:00.149569Z
{ "verified": true, "answer": 7684, "timestamp": "2026-02-25T09:02:00.227402Z" }
696048
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 337, "completion_tokens": 5448 }, "timestamp": "2026-03-30T05:27:11.323Z", "answer": 7684 }, { "i...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_COUNT", "status": "ok_later" }, { "lemma": "QF_PSD_ORBIT", "status": "ok" } ]
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
23fff7
nt_max_prime_below_v1_717093673_632
Let $m = 2$. Let $d_0$ be the smallest integer $d$ such that $d \geq m$ and $d$ divides 143. Let $N$ be the largest prime number less than or equal to 57600. Let $p_{\text{max}}$ be the largest prime number less than or equal to $d_0$. Compute the Bell number $B_r$, where $r$ is the remainder when $N$ is divided by $p_...
4,140
graphs = [ Graph( let={ "_m": Const(2), "_n": MinOverSet(set=SolutionsSet(var=Var("d"), condition=And(Geq(Var("d"), Ref("_m")), Divides(divisor=Var("d"), dividend=Const(143))))), "upper": Const(57600), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condit...
NT
COMB
EXTREMUM
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR/MAX_PRIME_BELOW" ]
8ad15a
nt_max_prime_below_v1
bell_mod
6
0
[ "MAX_PRIME_BELOW", "MIN_PRIME_FACTOR" ]
2
3.404
2026-02-08T15:34:43.462480Z
{ "verified": true, "answer": 4140, "timestamp": "2026-02-08T15:34:46.866015Z" }
da94c4
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 154, "completion_tokens": 2258 }, "timestamp": "2026-02-16T08:29:27.638Z", "answer": 4140 }, {...
1
[ { "lemma": "K13", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok_later" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V5",...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
999037
nt_sum_gcd_range_mod_v1_1874849503_1229
Let $S$ be the set of all ordered pairs $(x, y)$ of positive integers such that $x + y = 178$. Let $N$ be the maximum value of $xy$ over all pairs $(x, y) \in S$. Let $k = 360$ and $M = 11329$. Compute the remainder when $\sum_{n=1}^{N} \gcd(n, k)$ is divided by $M$.
3,858
graphs = [ Graph( let={ "N": MaxOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Sum(Var("x"), Var("y")), Const(178)))), expr=Mul(Var("x"), Var("y")))), "k": Const(360), ...
NT
null
COMPUTE
sympy
C3
[ "B1" ]
5b950e
nt_sum_gcd_range_mod_v1
null
5
0
[ "B1", "C3" ]
2
0.842
2026-02-08T13:43:13.984805Z
{ "verified": true, "answer": 3858, "timestamp": "2026-02-08T13:43:14.827146Z" }
588d67
CC BY 4.0
[ { "id": 2, "model": "openai/gpt-oss-120b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 4309 }, "timestamp": "2026-02-11T07:57:16.404Z", "answer": 3858 }, { "...
1
[ { "lemma": "B1", "status": "ok" }, { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V7", "status": "no" } ]
{ "lo": -5.48, "mid": 0.74, "hi": 7.52 }
79ccc7
modular_inverse_v1_971394319_1362
Let $n = 5849$. Define $a$ to be the number of prime numbers $p$ such that $2 \leq p \leq n$. Let $m = 823$. Find the smallest positive integer $x$ such that $1 \leq x \leq 822$ and $$a \cdot x \equiv 1 \pmod{m}.$$ Determine the value of $x$.
404
graphs = [ Graph( let={ "_n": Const(5849), "a": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Ref("_n")), IsPrime(Var("n"))))), "m": Const(823), "upper": Const(822), "result": MinOverSet(set=Soluti...
NT
null
EXTREMUM
sympy
COUNT_PRIMES
[ "COUNT_PRIMES" ]
07c874
modular_inverse_v1
null
4
0
[ "COUNT_PRIMES" ]
1
0.096
2026-02-08T13:39:29.947066Z
{ "verified": true, "answer": 404, "timestamp": "2026-02-08T13:39:30.042649Z" }
df8fda
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 3404 }, "timestamp": "2026-02-15T18:55:13.915Z", "answer": 404 }, { ...
1
[ { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
181993
sequence_count_fib_divisible_v1_1978505735_979
Let $n$ be a positive integer such that $1 \leq n \leq 2573$ and $\gcd(n, 30) = 1$. Let $N$ be the number of such integers $n$. Determine the number of positive integers $n_1$ with $1 \leq n_1 \leq N$ for which the Fibonacci number $F_{n_1}$ is divisible by 20. Compute this number.
22
graphs = [ Graph( let={ "_n": Const(30), "upper": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(2573)), Eq(GCD(a=Var("n"), b=Ref("_n")), Const(1))))), "d": Const(20), "result": CountOverSet(set=Solutions...
NT
null
COUNT
sympy
C4
[ "C4" ]
08d162
sequence_count_fib_divisible_v1
null
6
0
[ "C4" ]
1
0.031
2026-02-08T15:43:30.336089Z
{ "verified": true, "answer": 22, "timestamp": "2026-02-08T15:43:30.367067Z" }
38c86b
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 138, "completion_tokens": 2054 }, "timestamp": "2026-02-16T12:58:28.686Z", "answer": 22 }, { ...
1
[ { "lemma": "C4", "status": "ok" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "K15", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
bcdaaf
modular_min_linear_v1_124444284_8729
Let $n = 13$ and $a = 265$. Let $b$ be the number of positive integers $n$ with $1 \leq n \leq 28266$ such that the $n$-th Fibonacci number is divisible by $13$. Let $m = 34013$. Determine the value of the smallest positive integer $x$ such that $1 \leq x \leq m$ and $265x \equiv b \pmod{34013}$.
15,289
graphs = [ Graph( let={ "_n": Const(13), "a": Const(265), "b": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Const(28266)), Divides(divisor=Ref("_n"), dividend=Fibonacci(arg=Var(name='n')))))), "m": Const(3401...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COUNT_FIB_DIVISIBLE" ]
66de3c
modular_min_linear_v1
null
7
0
[ "COPRIME_PAIRS", "COUNT_FIB_DIVISIBLE" ]
2
2.882
2026-02-08T11:52:54.248669Z
{ "verified": true, "answer": 15289, "timestamp": "2026-02-08T11:52:57.130638Z" }
503370
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 145, "completion_tokens": 2827 }, "timestamp": "2026-02-14T20:15:02.727Z", "answer": 15289 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K15", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
353cef_l
nt_count_phi_equals_v1_1125832087_265
Let $m = 77284$ and $n = 75051$. Let $u$ be the sum of all real solutions $x$ to the equation $x^2 - 2000x + 160944 = 0$. Let $k$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = m$. Let $r$ be the number of positive integers $\nu$ such that $1 \leq \nu \leq u$ and $\phi(\nu)...
0
NT
null
COUNT
sympy
K14
[ "VIETA_SUM", "B3" ]
018050
nt_count_phi_equals_v1
null
7
0
[ "B3", "K14", "VIETA_SUM" ]
3
1.536
2026-02-08T02:59:33.621176Z
{ "verified": false, "answer": 72440, "timestamp": "2026-02-08T02:59:35.156870Z" }
050807
353cef
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 257, "completion_tokens": 7767 }, "timestamp": "2026-02-10T12:23:52.839Z", "answer": 72340 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "V5", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "VIETA_SUM", ...
{ "lo": 1.14, "mid": 3.16, "hi": 4.94 }
a773e6_n
alg_sym_quad_system_v1_1218484723_4510
An architect is designing triangular roof trusses. Each truss is described by three positive integer lengths $(a, b, c)$ that must satisfy the structural balance condition $$a^{2} + b^{2} + c^{2} = ab + bc + ca.$$ Additionally, the weighted sum of the lengths must equal the minimal possible perimeter of a rectangular s...
5,466
ALG
null
COMPUTE
sympy
B3
[ "B3", "C4" ]
8d18b3
alg_sym_quad_system_v1
null
7
null
[ "B3", "C4" ]
2
0.019
2026-02-25T06:11:07.074829Z
null
e752e4
a773e6
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 324, "completion_tokens": 5185 }, "timestamp": "2026-03-30T21:46:31.401Z", "answer": 2865 }, { ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "C4", "status": "ok" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" } ]
{ "lo": 1.5, "mid": 4.69, "hi": 7.23 }
9117b6
lin_form_endings_v1_458359167_2525
Let $S$ be the set of all integers $t$ such that $60 \leq t \leq 2100$ and there exist positive integers $a \leq 14$ and $b \leq 44$ for which $t = 18a + 42b$. Let $k = 17809$ and let $M = 77073$. Compute the remainder when $k$ times the number of elements in $S$ is divided by $M$.
1,613
graphs = [ Graph( let={ "_inner_result": 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=14)), Geq(left=Var(name='b'), right=...
COMB
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
lin_form_endings_v1
null
3
null
[ "LIN_FORM" ]
1
0.002
2026-02-08T06:18:42.685955Z
{ "verified": true, "answer": 1613, "timestamp": "2026-02-08T06:18:42.688390Z" }
8972a1
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 212, "completion_tokens": 32768 }, "timestamp": "2026-02-24T05:59:56.521Z", "answer": null }, { ...
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": "no" }, { "lemma": "LIN_F...
{ "lo": 3.43, "mid": 5.73, "hi": 8.84 }
e8a0c6
sequence_fibonacci_compute_v1_349078426_468
Let $n$ be the number of integers $t$ with $24 \leq t \leq 114$ for which there exist positive integers $a \leq 4$ and $b \leq 6$ such that $$ t = 15a + 9b. $$ Compute the $n$-th Fibonacci number, where the Fibonacci sequence is defined by $F_1 = 1$, $F_2 = 1$, and $F_k = F_{k-1} + F_{k-2}$ for $k \geq 3$.
28,657
graphs = [ Graph( let={ "n": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=4)), Geq(left=Var(name='b'), right=Const(value=1...
NT
null
COMPUTE
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
sequence_fibonacci_compute_v1
null
3
0
[ "LIN_FORM" ]
1
0.002
2026-02-08T13:05:40.258553Z
{ "verified": true, "answer": 28657, "timestamp": "2026-02-08T13:05:40.260420Z" }
37bf75
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 164, "completion_tokens": 2183 }, "timestamp": "2026-02-15T09:24:10.852Z", "answer": 28657 }, ...
1
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "no" }, { "lemma": "VAL_SUM_EQ"...
{ "lo": -5.14, "mid": 0.32, "hi": 6.51 }
bf7e94
nt_min_phi_inverse_v1_153355830_1985
Let $n = 14$. Let $T$ be the set of all integers $t$ such that $8 \leq t \leq 240$ and $t = 3a + 5b$ for some positive integers $a \leq 20$ and $b \leq 36$. Let $U$ be the number of positive integers $n'$ not exceeding $|T|$ such that $5$ divides $n'$ and $\gcd(n', n) = 1$. Let $k = 6$. Determine the value of the small...
7
graphs = [ Graph( let={ "_n": Const(14), "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(lef...
NT
null
EXTREMUM
sympy
LIN_FORM
[ "LIN_FORM/C5" ]
683493
nt_min_phi_inverse_v1
null
6
0
[ "C5", "LIN_FORM" ]
2
0.006
2026-02-08T06:50:42.068341Z
{ "verified": true, "answer": 7, "timestamp": "2026-02-08T06:50:42.074149Z" }
a5c251
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": 3877 }, "timestamp": "2026-02-13T05:18:25.560Z", "answer": 7 }, { ...
1
[ { "lemma": "C5", "status": "ok_later" }, { "lemma": "K17", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" ...
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
e9a267
nt_lcm_compute_v1_48377204_901
Let $a$ be the minimum value of $x + y$ over all pairs of positive integers $(x, y)$ such that $xy = 1256641$. Let $b = 619$. Let $\text{result}$ be the least common multiple of $a$ and $b$. Let $Q$ be the remainder when $\text{result} + 2^{\text{result} \bmod 14} \bmod 68786$ is divided by $68786$. Find the value of $...
12,142
graphs = [ Graph( let={ "_n": Const(68786), "a": MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]), condition=And(IsPositive(arg=Var(name='x')), IsPositive(arg=Var(name='y')), Eq(Mul(Var("x"), Var("y")), Const(1256641)))), expr=Sum(Var("x"), Var("y")...
NT
null
COMPUTE
sympy
B3
[ "B3" ]
0cd20d
nt_lcm_compute_v1
null
5
0
[ "B3" ]
1
0.003
2026-02-08T15:45:17.391791Z
{ "verified": true, "answer": 12142, "timestamp": "2026-02-08T15:45:17.394742Z" }
4712af
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 156, "completion_tokens": 2102 }, "timestamp": "2026-02-16T13:23:25.378Z", "answer": 12142 }, ...
1
[ { "lemma": "B3", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "V5", "status": "n...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
40a2b6
nt_sum_gcd_range_mod_v1_151522320_1
Let $p_1 = 53$ and $q_1 = 3$. Define $n_1 = p_1^2 (q_1 + 1)$. Let $f = \mu(n_1)^2$, where $\mu$ is the M\"obius function. Similarly, let $p = 43$ and $q = 53$, define $n = p^2 (q + 1)$, and let $u = \mu(n)^2$. Let $k = 336 + f + u$ and $N = 9801$. Define $$ \text{sum} = \sum_{n=1}^{N} \gcd(n, k). $$ Let $M = 11087$. Co...
2,209
graphs = [ Graph( let={ "p1": Const(53), "q1": Const(3), "n1": Mul(Pow(Ref("p1"), Const(2)), Sum(Ref("q1"), Const(1))), "f": Pow(MoebiusMu(n=Ref(name='n1')), Const(2)), "p": Const(43), "q": Const(53), "n": Mul(Pow(Ref("p"), ...
NT
null
COMPUTE
sympy
MOBIUS_SQUAREFREE
[ "MOBIUS_SQUAREFREE" ]
6fcd31
nt_sum_gcd_range_mod_v1
null
5
2
[ "MOBIUS_SQUAREFREE" ]
1
0.857
2026-02-08T02:55:04.378826Z
{ "verified": true, "answer": 2209, "timestamp": "2026-02-08T02:55:05.235609Z" }
93cccb
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 287, "completion_tokens": 5045 }, "timestamp": "2026-02-08T19:57:37.559Z", "answer": 209 }, { "...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "MOBIUS_SQUAREFREE", "status": "ok" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "MOD_SUB", "status": "no" }, { "lemma": "V1", "status": "no...
{ "lo": 1.69, "mid": 5.03, "hi": 8.38 }
74dbb8
comb_count_permutations_fixed_v1_1470522791_1641
Let $n$ be the largest prime number satisfying $2 \leq n \leq 11$, and let $k = 6$. Compute the value of $\binom{n}{k} \cdot !(n - k)$, where $!m$ denotes the number of derangements of $m$ elements.
20,328
graphs = [ Graph( let={ "n": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(11)), IsPrime(Var("n"))))), "k": Const(6), "result": Mul(Binom(n=Ref("n"), k=Ref("k")), Subfactorial(arg=Sub(left=Ref(name='n'), right=Ref(nam...
NT
COMB
COUNT
sympy
MAX_PRIME_BELOW
[ "MAX_PRIME_BELOW" ]
dc3ad3
comb_count_permutations_fixed_v1
null
3
0
[ "MAX_PRIME_BELOW" ]
1
0.002
2026-02-08T13:47:34.846488Z
{ "verified": true, "answer": 20328, "timestamp": "2026-02-08T13:47:34.848565Z" }
2ea1c4
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": 857 }, "timestamp": "2026-02-15T21:10:19.873Z", "answer": 20328 }, {...
1
[ { "lemma": "K15", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
a62af9
geo_count_lattice_triangle_v1_1218484723_6801
Let $T = \left|100 \cdot 121 + 15 \cdot (0 - 2)\right|$ and define $$K = \gcd(100, 2) + \gcd(|15 - 100|, \left|\sum_{k=0}^{4} 3^k - 2\right|) + \gcd\left(\left|0 - \sum_{k=0}^{3} 2^k\right|, \left|0 - \left|\left\{ v \geq 73 : v \leq \pi(91367),\ \exists\, 1 \leq a,b \leq 11\ \text{s.t.}\ 17a^2 + 36ab + 20b^2 = v \righ...
6,026
graphs = [ Graph( let={ "_d": Const(2), "_c": Const(15), "_m": Const(15), "_n": Const(100), "area_2x": Abs(arg=Sum(Mul(Const(value=100), Const(value=121)), Mul(Ref(name='_m'), Sub(left=Const(value=0), right=Const(value=2))))), "boundary...
GEOM
NT
COUNT
sympy
COUNT_PRIMES
[ "COUNT_PRIMES/QF_PSD_DISTINCT", "SUM_GEOM" ]
9f3ae3
geo_count_lattice_triangle_v1
null
6
0
[ "COUNT_PRIMES", "QF_PSD_DISTINCT", "SUM_GEOM" ]
3
0.034
2026-02-25T08:16:48.134881Z
{ "verified": true, "answer": 6026, "timestamp": "2026-02-25T08:16:48.168411Z" }
d10586
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 321, "completion_tokens": 32768 }, "timestamp": "2026-03-30T02:43:24.502Z", "answer": null }, { ...
1
[ { "lemma": "COUNT_DIVISOR_COUNT", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "ok" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_P...
{ "lo": -3.33, "mid": 1.03, "hi": 5.26 }
8a143d
comb_count_derangements_v1_784195855_4021
Let $n$ be the number of ordered pairs $(i, j)$ of integers such that $1 \leq i \leq 8$, $1 \leq j \leq 8$, and $i + j = 10$. Compute the subfactorial of $n$, defined as the number of derangements of an $n$-element set.
1,854
graphs = [ Graph( let={ "_n": Const(10), "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(8)), right=IntegerRange(start=Const(1), end=Cons...
COMB
null
COUNT
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
comb_count_derangements_v1
null
5
0
[ "COUNT_SUM_EQUALS" ]
1
0.014
2026-02-08T06:45:29.140390Z
{ "verified": true, "answer": 1854, "timestamp": "2026-02-08T06:45:29.154869Z" }
93d54c
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 187, "completion_tokens": 837 }, "timestamp": "2026-02-24T07:05:06.806Z", "answer": 1854 }, { "id...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status":...
{ "lo": -5.98, "mid": -3.97, "hi": -1.94 }
3541b4
nt_sum_divisors_range_v1_798873815_318
Let $T$ be the set of all integers $t$ such that $28 \leq t \leq 10692$ and there exist positive integers $a \leq 39$ and $b \leq 2572$ satisfying $t = 10a + 4b + 14$. Let $u = |T|$. Define $S$ to be the set of all positive integers $n$ such that $n \leq u$. Compute $\sum_{n \in S} \tau(n)$, where $\tau(n)$ denotes the...
46,558
graphs = [ Graph( let={ "upper": CountOverSet(set=SolutionsSet(var=Var("t"), condition=Exists(var=Var(name='a'), condition=Exists(var=Var(name='b'), condition=And(Geq(left=Var(name='a'), right=Const(value=1)), Leq(left=Var(name='a'), right=Const(value=39)), Geq(left=Var(name='b'), right=Const(va...
NT
null
SUM
sympy
LIN_FORM
[ "LIN_FORM" ]
7b2633
nt_sum_divisors_range_v1
null
7
0
[ "LIN_FORM" ]
1
0.174
2026-02-08T02:33:14.196722Z
{ "verified": true, "answer": 46558, "timestamp": "2026-02-08T02:33:14.370640Z" }
4b16b2
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 290, "completion_tokens": 14083 }, "timestamp": "2026-02-23T14:33:02.915Z", "answer": 2952 }, { ...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K17", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "V3", "status": "no" } ]
{ "lo": 4.32, "mid": 5.91, "hi": 7.89 }
e64652
nt_sum_gcd_range_mod_v1_124444284_4093
Let $N$ be the number of positive integers $k$ such that $k \leq 94864$ and $49$ divides $k$. Compute the sum $\sum_{n=1}^{N} \gcd(n, 108)$. Then find the remainder when this sum is divided by $11867$.
11,538
graphs = [ Graph( let={ "_n": Const(49), "N": CountOverSet(set=SolutionsSet(var=Var("k"), condition=And(Geq(Var("k"), Const(1)), Leq(Var("k"), Const(94864)), Divides(divisor=Ref("_n"), dividend=Var("k"))), domain='positive_integers')), "k": Const(108), "M": Co...
NT
null
COMPUTE
sympy
C2
[ "C2" ]
9685eb
nt_sum_gcd_range_mod_v1
null
4
0
[ "C2" ]
1
0.965
2026-02-08T05:46:06.123712Z
{ "verified": true, "answer": 11538, "timestamp": "2026-02-08T05:46:07.089104Z" }
0b5057
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": 4591 }, "timestamp": "2026-02-12T14:25:53.061Z", "answer": 11538 }, ...
1
[ { "lemma": "C2", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_PRIMES", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "V8", "status": "no" } ]
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
643728
nt_max_prime_below_v1_1918700295_3825
Let $S$ be the set of all positive integers $p$ for which there exists a positive integer $q$ such that $pq = 36$, $\gcd(p, q) = 1$, and $p < q$. Let $m$ be the number of elements in $S$. Let $T$ be the set of all prime numbers $n$ such that $n \geq m$ and $n \leq 37636$. Determine the value of the largest element in $...
37,633
graphs = [ Graph( let={ "upper": Const(37636), "result": MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'), V...
NT
null
EXTREMUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_max_prime_below_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
1.595
2026-02-08T08:58:49.704704Z
{ "verified": true, "answer": 37633, "timestamp": "2026-02-08T08:58:51.299404Z" }
8e6aa6
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": 2101 }, "timestamp": "2026-02-13T22:47:53.354Z", "answer": 37633 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "L3c", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_VAL", "status": "no" }, { "lemma": "MOD_ADD", "status": "no" } ]
{ "lo": -5.55, "mid": -3.01, "hi": 0.32 }
ddb9b5
nt_min_coprime_above_v1_784195855_2146
Let $S$ be the set of all ordered pairs $(i,j)$ of positive integers such that $i + j = 89$, $1 \le i \le 87$, and $1 \le j \le 87$. Let $m$ be the number of elements in $S$. Find the smallest integer $n$ such that $68121 < n \le 68217$ and $\gcd(n, m) = 1$.
68,123
graphs = [ Graph( let={ "start": Const(68121), "upper": Const(68217), "modulus": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("i"), Var("j")]), condition=Eq(Sum(Var("i"), Var("j")), Const(89)), domain=CartesianProduct(left=IntegerRange(start=Const(1), end=Const(8...
NT
null
EXTREMUM
sympy
COUNT_SUM_EQUALS
[ "COUNT_SUM_EQUALS" ]
75ab0f
nt_min_coprime_above_v1
null
4
0
[ "COUNT_SUM_EQUALS" ]
1
0.014
2026-02-08T05:30:53.978265Z
{ "verified": true, "answer": 68123, "timestamp": "2026-02-08T05:30:53.991922Z" }
f38acc
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 140, "completion_tokens": 1019 }, "timestamp": "2026-02-12T10:41:53.798Z", "answer": 68123 }, ...
1
[ { "lemma": "COUNT_CARTESIAN", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "ok" }, { "lemma": "DS2", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V8", ...
{ "lo": -3.44, "mid": 1.34, "hi": 6.56 }
d89ca4
geo_visible_lattice_v1_1520064083_7280
Let $n = 91$. Define a visible lattice point $(x, y)$ as a point with integer coordinates such that $1 \le x, y \le n$ and $\gcd(x, y) = 1$. Let $r$ be the number of visible lattice points in the $n \times n$ grid. Find the smallest positive integer $k$ such that the $k$-th Fibonacci number is divisible by $r + 2$.
510
graphs = [ Graph( let={ "n": Const(91), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": FibonacciEntryPoint(modulus=Sum(Abs(arg=Ref(name='result')), Const(value=2))), }, goal=Ref("Q"), ) ]
GEOM
NT
COUNT
sympy
[]
geo_visible_lattice_v1
null
3
0
null
null
0.176
2026-02-08T08:52:55.499043Z
{ "verified": true, "answer": 510, "timestamp": "2026-02-08T08:52:55.674700Z" }
cec826
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 206, "completion_tokens": 32768 }, "timestamp": "2026-02-24T10:16:33.819Z", "answer": null }, { ...
1
[]
{ "lo": 3.25, "mid": 5.68, "hi": 8.81 }
86097b
alg_telescope_v1_1218484723_148
Let $F_n$ denote the $n$-th Fibonacci number. Let $$ A = \left|\{ (a, b) : 1 \leq a, b \leq 40,\ -2ab + 2b^2 + \left|\{ n : 1 \leq n \leq 312,\ 14 \mid F_n \}\right| \cdot a^2 \leq 6250 \}\right|, $$ and let $$ B = \left|\{ t : 12 \leq t \leq 6527,\ \exists\text{ integers } a \in [1,222], b \in [1,1464] \text{ such th...
22,904
graphs = [ Graph( let={ "_m": Const(2), "_n": Const(62537), "result": Mod(value=Summation(var="k", start=Const(0), end=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"), Co...
ALG
NT
COMPUTE
sympy
COUNT_FIB_DIVISIBLE
[ "COUNT_FIB_DIVISIBLE/QF_PSD_COUNT_LEQ", "LIN_FORM" ]
0f4f39
alg_telescope_v1
null
7
0
[ "COUNT_FIB_DIVISIBLE", "LIN_FORM", "QF_PSD_COUNT_LEQ" ]
3
0.022
2026-02-25T01:51:06.883580Z
{ "verified": true, "answer": 22904, "timestamp": "2026-02-25T01:51:06.905379Z" }
36a860
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 338, "completion_tokens": 32768 }, "timestamp": "2026-03-28T21:52:27.444Z", "answer": null }, { ...
0
[ { "lemma": "COUNT_FIB_DIVISIBLE", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "L3b", "status": "no" }, { "lemma": "LIN_FORM", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "QF_PSD_COUNT_LEQ", "sta...
{ "lo": 5.81, "mid": 8.21, "hi": 10 }
07fa5e
antilemma_coprime_grid_v1_1742523217_227
Let $n = 85892$. Let $x$ be the number of ordered pairs $(i,j)$ of positive integers with $1 \leq i \leq 8$ and $1 \leq j \leq 60$ such that $\gcd(i,j) = 1$. Let $c$ be the smallest divisor of $324856255817$ that is at least $2$. Compute the remainder when $c \cdot x$ is divided by $n$.\n\nFind the value of this remain...
67,982
graphs = [ Graph( let={ "_n": Const(85892), "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(8)), right=IntegerRange(start=Const(1), en...
NT
COMB
COMPUTE
sympy
MIN_PRIME_FACTOR
[ "MIN_PRIME_FACTOR", "COUNT_COPRIME_GRID" ]
de9abd
antilemma_coprime_grid_v1
affine_mod
4
0
[ "COUNT_COPRIME_GRID", "MIN_PRIME_FACTOR" ]
2
0.001
2026-02-08T02:56:18.756708Z
{ "verified": true, "answer": 67982, "timestamp": "2026-02-08T02:56:18.757873Z" }
b2e00c
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 217, "completion_tokens": 510 }, "timestamp": "2026-02-17T16:06:56.382Z", "answer": 96 } ]
0
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "ok" }, { "lemma": "K13", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "L3c", "status": "no" }, { "lemma": "MIN_PRIME_FACTOR", "status": "ok" }, { ...
{ "lo": -6.48, "mid": 1.54, "hi": 9.56 }
3abc85
antilemma_k2_v1_2051736721_2632
Let $x = \sum_{k=1}^{370} \phi(k) \left\lfloor \frac{370}{k} \right\rfloor$, where $\phi(k)$ denotes Euler's totient function. Compute the remainder when $65536 - x$ is divided by 69498.
66,399
graphs = [ Graph( let={ "_n": Const(370), "x": Summation(var="k", start=Const(1), end=Const(370), expr=Mul(EulerPhi(n=Var("k")), Floor(Div(Ref("_n"), Var("k"))))), "_c": Const(65536), "Q": Mod(value=Sub(Ref("_c"), Ref("x")), modulus=Const(69498)), }, ...
NT
COMB
COMPUTE
sympy
K2
[ "K2" ]
6897ab
antilemma_k2_v1
null
4
0
[ "K2" ]
1
0.001
2026-02-08T16:49:32.145946Z
{ "verified": true, "answer": 66399, "timestamp": "2026-02-08T16:49:32.146894Z" }
387f4f
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 108, "completion_tokens": 724 }, "timestamp": "2026-02-17T13:07:32.469Z", "answer": 66399 }, {...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K14", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V1", "status": "no" }, { "lemma": "V5", "status": "no" } ]
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
7cfd78
sequence_lucas_compute_v1_601307018_4225
Let $m = \min\{ |x - y| : x > 0, y > 0,\, xy = 1566 \}$. Let $V = \left|\{ v : 17 \le v \le 11348,\, \text{there exist integers } a, b \text{ with } 1 \le a, b \le 17 \text{ such that } 9b^2 - 30ab + 41a^2 = v \}\right|$. Let $n$ be the number of ordered pairs $(a, b)$ of positive integers with $1 \le a \le m$ and $1 \...
21,275
graphs = [ Graph( let={ "_m": Const(44121), "_n": Const(2), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), MinOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x"), Var("y")]...
ALG
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT/POLY3_COUNT", "B3_DIFF/POLY3_COUNT" ]
129d13
sequence_lucas_compute_v1
null
7
0
[ "B3_DIFF", "POLY3_COUNT", "QF_PSD_DISTINCT" ]
3
0.019
2026-03-10T04:51:31.671507Z
{ "verified": true, "answer": 21275, "timestamp": "2026-03-10T04:51:31.690844Z" }
4d5b21
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 329, "completion_tokens": 32768 }, "timestamp": "2026-03-29T11:29:00.107Z", "answer": null }, { ...
1
[ { "lemma": "B3_DIFF", "status": "ok" }, { "lemma": "POLY3_COUNT", "status": "ok_later" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 3.34, "mid": 5.77, "hi": 8.89 }
9db578_n
geo_count_lattice_triangle_v1_1419126231_1824
A city planner designs a park with three rectangular sections. The first has area $196 \times 121$, the second is subtracted as a lake of area $100 \times 48$, so the net land area is $N = |196 \cdot 121 - 100 \cdot 48|$. To install fencing, the planner computes $M$, the sum of the greatest common divisors of the side ...
9,456
GEOM
null
COUNT
sympy
[]
geo_count_lattice_triangle_v1
null
3
null
null
null
0.002
2026-02-25T11:22:29.775458Z
null
cdf981
9db578
narrative
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 253, "completion_tokens": 841 }, "timestamp": "2026-03-31T05:07:31.850Z", "answer": 9456 }, { "id...
2
[]
{ "lo": -10, "mid": -5.89, "hi": -1.79 }
671f07
nt_count_divisible_v1_2051736721_1868
Let $m = 20$ and $n = 6$. Define $$ S = \left\{ (k, j) \mid 1 \leq k \leq 6,\ 1 \leq j \leq 5 \right\}. $$ Let $$ T = \left\{ \phi(k) \left\lfloor \frac{n}{k} \right\rfloor \ \middle|\ (k, j) \in S \right\}, $$ where $\phi$ denotes Euler's totient function. Define $$ d = \frac{4 \sum_{x \in T} x}{m}. $$ Let $U$ be the ...
2,928
graphs = [ Graph( let={ "_m": Const(20), "_n": Const(6), "upper": Const(61504), "divisor": Div(Mul(Const(4), SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("k"), Var("_j")]), condition=Const(1), domain=CartesianProduct(left=IntegerRange(sta...
NT
null
COUNT
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT", "K2" ]
d64c9f
nt_count_divisible_v1
null
5
0
[ "K2", "SUM_INDEPENDENT" ]
2
2.523
2026-02-08T16:16:53.568593Z
{ "verified": true, "answer": 2928, "timestamp": "2026-02-08T16:16:56.092005Z" }
26a63a
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 221, "completion_tokens": 1329 }, "timestamp": "2026-02-17T00:15:21.878Z", "answer": 2928 }, {...
1
[ { "lemma": "K18", "status": "no" }, { "lemma": "K2", "status": "ok" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma": "V1", "status": "no" }...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
0b395e
comb_count_surjections_v1_601307018_2524
Let $c = \sum_{k_1=0}^{0} (-1)^{k_1} \binom{0}{k_1}$, $S = 38051c$, $s = \sum_{k_2=0}^{0} (-1)^{k_2} \binom{0}{k_2}$, $w = \sum_{k_3=0}^{0} (-1)^{k_3} \binom{0}{k_3}$, and $n = 5w$. Let $T = 2! \cdot S(n, 2)$, where $S(n, k)$ denotes the Stirling numbers of the second kind. Find the remainder when $S \cdot T$ is divide...
6,345
graphs = [ Graph( let={ "n3": Const(0), "c": Summation(var="k1", start=Const(0), end=Ref("n3"), expr=Mul(Pow(Const(-1), Var("k1")), Binom(n=Ref("n3"), k=Var("k1")))), "n2": Const(0), "s": Summation(var="k2", start=Const(0), end=Ref("n2"), expr=Mul(Pow(Const(-1...
COMB
null
COUNT
sympy
POLY_ORBIT_LEGENDRE
[ "BINOMIAL_ALTERNATING" ]
c21569
comb_count_surjections_v1
null
3
3
[ "BINOMIAL_ALTERNATING", "POLY_ORBIT_LEGENDRE" ]
2
0.047
2026-03-10T03:13:34.736509Z
{ "verified": true, "answer": 6345, "timestamp": "2026-03-10T03:13:34.783412Z" }
988142
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 278, "completion_tokens": 792 }, "timestamp": "2026-03-29T05:38:23.894Z", "answer": 6345 }, { "id...
1
[ { "lemma": "BINOMIAL_ALTERNATING", "status": "ok" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "st...
{ "lo": -4.26, "mid": -1.81, "hi": 1.24 }
ab32ec
alg_qf_psd_count_v1_1218484723_3222
Find the number of ordered pairs $(a, b)$ of positive integers with $1 \leq a \leq 181$ and $1 \leq b \leq 181$ such that $5a^2 + 5b^2 = 90625$, where $181$ is the largest prime not exceeding $184$.
10
graphs = [ Graph( let={ "_n": Const(2), "result": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), MaxOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(2)), Leq(Var("n"), Const(184)), I...
NT
null
COUNT
sympy
QF_PSD_DISTINCT
[ "MAX_PRIME_BELOW" ]
dc3ad3
alg_qf_psd_count_v1
null
3
0
[ "MAX_PRIME_BELOW", "QF_PSD_DISTINCT" ]
2
4.937
2026-02-25T04:54:50.667676Z
{ "verified": true, "answer": 10, "timestamp": "2026-02-25T04:54:55.604690Z" }
47e685
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 181, "completion_tokens": 9984 }, "timestamp": "2026-03-29T09:02:35.862Z", "answer": 10 }, { "id"...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "K13", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "LTE_DIFF_P2", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MAX_PRIME_BELOW", "status": "ok" } ]
{ "lo": -2.45, "mid": 1.37, "hi": 5.29 }
13ae59
comb_catalan_compute_v1_601307018_3549
Let $n$ be the number of ordered pairs $(x_1, x_2)$ of positive integers such that $x_1 + x_2 = 22$ and both $x_1$ and $x_2$ are odd. Let $M = C_n$, where $C_n$ denotes the $n$-th Catalan number. Find the remainder when $54217 \cdot M$ is divided by $81696$.
76,210
graphs = [ Graph( let={ "_n": Const(54217), "n": CountOverSet(set=SolutionsSet(var=Tuple(elements=[Var("x1"), Var("x2")]), condition=And(IsPositive(arg=Var(name='x1')), IsPositive(arg=Var(name='x2')), IsOdd(arg=Var(name='x1')), IsOdd(arg=Var(name='x2')), Eq(Sum(Var("x1"), Var("x2")),...
COMB
null
COMPUTE
sympy
POLY_ORBIT_LEGENDRE
[ "COMB1" ]
567f58
comb_catalan_compute_v1
null
3
0
[ "COMB1", "POLY_ORBIT_LEGENDRE" ]
2
0.069
2026-03-10T04:09:26.588064Z
{ "verified": true, "answer": 76210, "timestamp": "2026-03-10T04:09:26.657108Z" }
45d95e
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 204, "completion_tokens": 5460 }, "timestamp": "2026-03-29T09:03:22.341Z", "answer": 76210 }, { "...
1
[ { "lemma": "COMB1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "V7", "status": "no" }, { "lemma": "V8", "status": "no" }, { "lemma": "V8_SUM", "status": "no" ...
{ "lo": -2.46, "mid": 1.23, "hi": 4.93 }
470cc1
diophantine_fbi2_min_v1_1439011603_1215
Let $k$ be the sum of all positive integers that can be expressed as the product $xy$, where $x$ and $y$ are positive integers such that $x + y = 4$. Let $d$ be the smallest integer at least $3$ and at most $20$ such that $d$ divides $k$ and $\frac{k}{d} \geq 2$. Compute the remainder when $7^{|d|} + 31329$ is divided ...
48,136
graphs = [ Graph( let={ "_n": Const(31329), "k": Summation(var="k1", start=Const(1), end=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(...
NT
null
EXTREMUM
sympy
B1
[ "B1/SUM_ARITHMETIC" ]
8e3bd4
diophantine_fbi2_min_v1
null
5
0
[ "B1", "SUM_ARITHMETIC" ]
2
0.008
2026-02-08T15:58:46.133110Z
{ "verified": true, "answer": 48136, "timestamp": "2026-02-08T15:58:46.140873Z" }
40737d
CC BY 4.0
[ { "id": 8, "model": "mathstral", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 171, "completion_tokens": 569 }, "timestamp": "2026-02-16T06:50:20.647Z", "answer": 48136 }, { "id": 11, ...
2
[ { "lemma": "B1", "status": "ok" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K18", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok_later" }, { "lemma": "V5", "status": "no" }, ...
{ "lo": -10, "mid": -7.27, "hi": -4.54 }
cd0bd1_l
comb_count_partitions_v1_677425708_3837
Let $T$ be the set of all ordered pairs $(k,j)$ where $k$ is an integer from 1 to 9 and $j$ is an integer from 1 to 8. Define $S$ to be the set of values $k$ over all pairs $(k,j) \in T$. Let $n = \frac{5}{40}$ times the sum of all elements in $S$. Compute the number of integer partitions of $n$.
0
COMB
null
COUNT
sympy
SUM_INDEPENDENT
[ "SUM_INDEPENDENT", "SUM_ARITHMETIC" ]
9f7183
comb_count_partitions_v1
null
5
0
[ "SUM_ARITHMETIC", "SUM_INDEPENDENT" ]
2
0.002
2026-02-08T05:57:20.268402Z
{ "verified": false, "answer": 89134, "timestamp": "2026-02-08T05:57:20.270049Z" }
76d824
cd0bd1
legacy_text
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 1, "correct": { "strict": false, "boxed": false, "relaxed": true }, "usage": { "prompt_tokens": 207, "completion_tokens": 2567 }, "timestamp": "2026-02-24T05:08:10.270Z", "answer": 0 }, { "id...
1
[ { "lemma": "C2", "status": "no" }, { "lemma": "COUNT_COPRIME_GRID", "status": "no" }, { "lemma": "COUNT_INTEGER_RANGE", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "SUM_INDEPENDENT", "status": "ok" }, { "lemma": "V8", ...
{ "lo": 1.97, "mid": 4.36, "hi": 6.69 }
ea0c29
geo_visible_lattice_v1_1439011603_2399
Let $n = 196$. Define $\mathcal{P}$ as the set of all ordered pairs $(x, y)$ of positive integers such that $1 \le x, y \le n$ and $\gcd(x, y) = 1$. Let $R$ denote the number of elements in $\mathcal{P}$. Compute the remainder when $59196 \cdot R$ is divided by $52433$.
30,024
graphs = [ Graph( let={ "n": Const(196), "result": VisibleLatticePoints(n=Ref(name='n')), "Q": Mod(value=Mul(Const(59196), Ref("result")), modulus=Const(52433)), }, goal=Ref("Q"), ) ]
GEOM
null
COUNT
sympy
[]
geo_visible_lattice_v1
null
4
0
null
null
2.816
2026-02-08T16:45:31.098859Z
{ "verified": true, "answer": 30024, "timestamp": "2026-02-08T16:45:33.914692Z" }
8acf56
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 130, "completion_tokens": 5630 }, "timestamp": "2026-02-17T11:38:56.205Z", "answer": 30024 }, ...
1
[]
{ "lo": -2.38, "mid": 1.74, "hi": 6.59 }
3f8f14
comb_sum_binomial_row_v1_238844314_49
Let $N$ be the number of integers $j$ with $0\le j\le 2049$ such that $$ \binom{2049}{j}\equiv 1 \pmod{2}. $$ For each positive integer $k$, let $f(k)$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $$ pq=2700,\quad \gcd(p,q)=1,\quad p<q. $$ Let $$ n = \sum_{k=1}^{N} \var...
69,448
graphs = [ Graph( let={ "_c": Const(95573), "_m": Const(44121), "_n": CountOverSet(set=SolutionsSet(var=Var("j"), condition=And(Geq(Var("j"), Const(0)), Leq(Var("j"), Const(2049)), Eq(Mod(value=Binom(n=Const(2049), k=Var("j")), modulus=Const(2)), Const(1))), domain='nonne...
NT
null
SUM
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS/K2", "V8/K2" ]
1c64f9
comb_sum_binomial_row_v1
null
8
0
[ "COPRIME_PAIRS", "K2", "V8" ]
3
0.005
2026-02-08T13:06:06.059192Z
{ "verified": true, "answer": 69448, "timestamp": "2026-02-08T13:06:06.064082Z" }
5c4db1
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 236, "completion_tokens": 2597 }, "timestamp": "2026-02-15T09:32:28.260Z", "answer": 69448 }, ...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "COUNT_SUM_EQUALS", "status": "no" }, { "lemma": "K16", "status": "no" }, { "lemma": "K2", "status": "ok_later" }, { "lemma": "MAX_PRIME_BELOW", "status": "no" }, { "lemma": "V5", "status": "...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
142f7e
nt_count_primes_v1_349078426_1583
Let $k$ be the number of positive integers $p$ for which there exists a positive integer $q$ such that $pq = 24$, $\gcd(p, q) = 1$, and $p < q$. Determine the number of prime numbers $n$ such that $k \leq n \leq 48841$.
5,022
graphs = [ Graph( let={ "upper": Const(48841), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), CountOverSet(set=SolutionsSet(var=Var("p"), condition=And(IsPositive(arg=Var(name='p')), Exists(var=Var(name='q'), condition=And(Eq(left=Mul(Var(name='p'),...
NT
null
COUNT
sympy
COPRIME_PAIRS
[ "COPRIME_PAIRS" ]
2bb3aa
nt_count_primes_v1
null
3
0
[ "COPRIME_PAIRS" ]
1
1.684
2026-02-08T13:43:53.802643Z
{ "verified": true, "answer": 5022, "timestamp": "2026-02-08T13:43:55.486337Z" }
2ab679
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 116, "completion_tokens": 2190 }, "timestamp": "2026-02-15T20:06:41.369Z", "answer": 5022 }, {...
1
[ { "lemma": "COPRIME_PAIRS", "status": "ok" }, { "lemma": "K16", "status": "no" }, { "lemma": "K5", "status": "no" }, { "lemma": "MOD_FACTORIAL", "status": "no" }, { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "V3", "status": "no" ...
{ "lo": -5.49, "mid": 0.22, "hi": 6.51 }
6093c7
sequence_count_fib_divisible_v1_717093673_1578
Let $ S $ be the sum of the integers from 1 to 34. Compute the number of positive integers $ n $ such that $ 1 \leq n \leq S $ and $ 5 $ divides the $ n $-th Fibonacci number $ F_n $. Determine the value of this count.
119
graphs = [ Graph( let={ "upper": Summation(var="k", start=Const(1), end=Const(34), expr=Var("k")), "d": Const(5), "result": CountOverSet(set=SolutionsSet(var=Var("n"), condition=And(Geq(Var("n"), Const(1)), Leq(Var("n"), Ref("upper")), Divides(divisor=Ref("d"), dividend=F...
NT
null
COUNT
sympy
SUM_ARITHMETIC
[ "SUM_ARITHMETIC" ]
eb34f0
sequence_count_fib_divisible_v1
null
5
0
[ "SUM_ARITHMETIC" ]
1
0.054
2026-02-08T16:10:51.554572Z
{ "verified": true, "answer": 119, "timestamp": "2026-02-08T16:10:51.608671Z" }
4b0199
CC BY 4.0
[ { "id": 5, "model": "deepseek-ai/DeepSeek-V3.2", "score": 3, "correct": { "strict": true, "boxed": true, "relaxed": true }, "usage": { "prompt_tokens": 109, "completion_tokens": 1292 }, "timestamp": "2026-02-16T22:01:12.965Z", "answer": 119 }, { ...
1
[ { "lemma": "DS2", "status": "no" }, { "lemma": "LTE_DIFF", "status": "no" }, { "lemma": "LTE_SUM", "status": "no" }, { "lemma": "MOD_MUL", "status": "no" }, { "lemma": "SUM_ARITHMETIC", "status": "ok" }, { "lemma": "VAL_SUM_EQ", "status": "no" } ...
{ "lo": -7.08, "mid": -0.29, "hi": 6.49 }
5c7fa4
alg_qf_psd_sum_v1_1218484723_559
Find the remainder when $$\sum_{a=1}^7 \sum_{b=1}^7 \sum_{c=1}^7 \left(3a^2 - 8ab - 22ac + 16b^2 + 24bc + K c^2\right)$$ is divided by $71043$, where $$K = \left|\left\{ v \in [72, 4608] : \exists\, a,b \in \mathbb{Z},\, 1 \le a,b \le 8,\, 50a^2 + 20ab + 2b^2 = v \right\}\right|.$$
37,177
graphs = [ Graph( let={ "_n": Const(7), "result": Mod(value=SumOverSet(set=MapOverSet(set=SolutionsSet(var=Tuple(elements=[Var("a"), Var("b"), Var("c")]), condition=And(Geq(Var("a"), Const(1)), Leq(Var("a"), Const(7)), Geq(Var("b"), Const(1)), Leq(Var("b"), Const(7)), Geq(Var("c"), C...
ALG
null
COMPUTE
sympy
QF_PSD_DISTINCT
[ "QF_PSD_DISTINCT" ]
a8f9cb
alg_qf_psd_sum_v1
null
7
0
[ "QF_PSD_DISTINCT" ]
1
0.015
2026-02-25T02:13:05.919910Z
{ "verified": true, "answer": 37177, "timestamp": "2026-02-25T02:13:05.935008Z" }
4f5c12
CC BY 4.0
[ { "id": 1, "model": "openai/gpt-oss-20b", "score": 0, "correct": { "strict": false, "boxed": false, "relaxed": false }, "usage": { "prompt_tokens": 254, "completion_tokens": 14935 }, "timestamp": "2026-03-28T23:10:35.643Z", "answer": 37277 }, { ...
1
[ { "lemma": "POLY_PADIC_VAL_CONST", "status": "no" }, { "lemma": "QF_PSD_DISTINCT", "status": "ok" } ]
{ "lo": 1.22, "mid": 3.76, "hi": 5.73 }