Erdős Problem #401
Erdős problem #401 · erdosproblems.com/401
- Result
- Proved
- Field
- Number Theory, Factorials
- Posed by
- P. Erdős, R. Graham
- Year posed
- 1980
- Years open
- 46y
- Solved
- 2026-01-11
- Model
- Aristotle, GPT-5.2 Pro
- Vendor
- —
- Collaborators
- Boris Alexeev, Kevin Barreto, Liam Price, Nat Sothanaphan
- Verification
- Lean-verified
- Notability
- No dedicated article
Verification
Listed as solved on erdosproblems.com and the proof is verified in Lean. Solve credited via Terence Tao's AI-contributions wiki.