Skip to content

Erdős problem 680

Is it true that, for all sufficiently large nn, there exists some kk such that p(n+k)>k2+1, p(n+k)>k^2+1, where p(m)p(m) denotes the least prime factor of mm?

Sources

The source's own material, retained exactly.

2 retained statements36c6d0fef71a

Open selected source

FormalConjectures/ErdosProblems/

680.lean

Retained formal statement1 of 2

Is it true that, for all sufficiently large nn, there exists some kk such that p(n+k)>k2+1, p(n+k)>k^2+1, where p(m)p(m) denotes the least prime factor of mm?

FormalConjectures/ErdosProblems/680.leanErdos680.erdos_680.parts.i1 lineExact file
True ↔ ∀ᶠ (n : ℕ) in Filter.atTop, ∃ k, k ≠ 0 ∧ (n + k).minFac > k ^ 2 + 1
OpenStatement only, no proof