Erdős·erdos:728
Erdős Problem 728
No independent check recorded yet. A formal artifact, declaration or published object is attached, but no rebuild of it is recorded here.
Fidelity F2: The statement corpus cites this proof against its own statement.
number theory, factorials·Source
AI activity
How grades workFull solution (Lean)
Reasoning and sources
Autonomy
AI standalone, with comparable literature existing
Details
literature: 🟡 Pomerance (2014)
literature found on: 5-6 Jan, 2026
similar?: Yes
Sources
Pomerance (2026)
Reasoning and sources
Autonomy
Secondary contribution: formalization
Details
proof to formalize: Pomerance (2026)
Sources
Aristotle and GPT-5.2 Pro (2026)
Reasoning and sources
Autonomy
Secondary contribution: rewriting
Details
argument to rewrite: Aristotle and GPT-5.2 Pro (2026)
Sources
Does the formal statement say what was claimed?
F2 declared The statement corpus cites this proof against its own statement.
Computed from what the project declares and what the register holds, never from reading the mathematics. How fidelity is graded.
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Formal material
Formal statements · 1
Cited proofs · 1
Recorded elsewhere
Compare the registries- vibemathed — Erdős Problem #728: Factorial Divisibility
Also known as · 3
- https://www.erdosproblems.com/728
- https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/ErdosProblems/728.lean
- FormalConjectures/ErdosProblems/728.lean