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Erdős problem 932

Let pkp_k denote the kkth prime. For infinitely many rr there are at least two integers pr<n<pr+1p_r < n < p_{r+1} all of whose prime factors are <pr+1−pr< p_{r + 1} - p_r.

Sources

The source's own material, retained exactly.

2 retained statements36c6d0fef71a

Open selected source

FormalConjectures/ErdosProblems/

932.lean

Retained formal statement2 of 2

Erdős could show that the density of rr such that at least one such nn exists is 00.

FormalConjectures/ErdosProblems/932.leanErdos932.erdos_932.variants.one_le5 linesExact file
{r |      1 ≤        {m ∈ Finset.Ioo (Nat.nth Nat.Prime r) (Nat.nth Nat.Prime r.succ) |            m.maxPrimeFac < Nat.nth Nat.Prime r.succ - Nat.nth Nat.Prime r}.card}.HasDensity  0
SolvedStatement only, no proof