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Erdős problem 728

Whether there are infinitely many integers a,b,na, b, n with a,b≥εna, b \ge \varepsilon n such that a!⋅b!a!\cdot b! divides n!⋅(a+b−n)!n!\cdot(a+b-n)! while a+ba+b exceeds nn by more than C⋅log⁡nC\cdot\log n.

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Reported activity

Reported by these sources. Not reviewed here.

  • AI alongside literature

    Erdős AI contributions wiki · 6 Jan, 2026

    Machine
    Aristotle, GPT-5.2 Pro
    Open the source record
  • Formalization

    Erdős AI contributions wiki · 22 Jan, 2026

    Machine
    Aristotle
    Open the source record
  • argument

    VibeMathed

    Machine
    Aristotle (Harmonic) + GPT-5.2 Pro
    People
    Boris Alexeev, Kevin Barreto, Liam Price, Nat Sothanaphan
    Reported outcome
    resolved
    Open the source record