Invalidated
Erdős Problem #684
For the least $k$ at which the small-prime part of $\binom{n}{k}$ exceeds $n^2$, how large can $f(n)$ be?
Exact FrontierDelta
Prior state unknown→proved
Scope and record
Occurred: Jul 25, 2026
Delta type: SOURCE CLAIM
Assumptions: VibeMathed verification: contested. Publication: announcement. AI contribution: null. Imported under CC BY 4.0.
Canonical aliases: Erdős Problem #684 · Erdős #684 · Problem 684
Confidence: Not scored
Registry verification: contested · announcement · retracted
Attribution
VibeMathed
registry · event recorded by
Model not publicly disclosed
model · ai model contributor
Lineage and corrections
This event attributed to Model not publicly disclosed