Open Research Index

Erdős 374: classical square products of factorials

alexander

Palomar Registrypalomar/PALOMAR-2026-10-07-000010Oct 7, 2026math.NTscore 0

Formalization of classical factorial-square constructions, exclusion of prime endpoints, existence of minimum representation cardinalities for composite endpoints, and the cutoff D_k = empty for k greater than six. The density question from Erdős problem 374 is defined but not proved. No mathematical novelty or solution of the density problem is claimed.

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