Erdős problem 413 · problems.science

Erdős proved that the barrier set for expProd is infinite and even has positive density.

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5 retained statements2415f78e850a

FormalConjectures/ErdosProblems/

413.lean

Retained formal statement3 of 5

Erdős believed there should be infinitely many barriers for Ω, the total prime multiplicity.

FormalConjectures/ErdosProblems/413.leanErdos413.erdos_413.variants.bigOmega1 lineExact file

1True ↔ {n | Erdos413.IsBarrier (fun m => ↑(ArithmeticFunction.cardFactors m)) n}.Infinite

OpenStatement only, no proof