Erdős Problem a Daythe open tracker
Our attempts / #404 / working report
ERDőS #404 · SKIPPED
Community database OPENas of 2025-08-31tags number theory, factorialsproblem page · erdosproblems.com/404

SKIP: Live page status is OPEN, but Sky-Yang is listed as currently working on Erdős problem #404 (accessed 2026-07-28), so the mandatory no-collision rule applies.

This is the AI working report, labelled by outcome — not an independently verified claim unless marked PROVED. ← our attempt log · problem #404