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Erdős problem 681

Erdős problem 681. Is it true that for all large nn there exists kk such that n+kn + k is composite and p(n+k)>k2p(n+k) > k^2, where p(m)p(m) is the least prime factor of mm ?

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FormalConjectures/ErdosProblems/

681.lean

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Erdős problem 681. Is it true that for all large nn there exists kk such that n+kn + k is composite and p(n+k)>k2p(n+k) > k^2, where p(m)p(m) is the least prime factor of mm ?

FormalConjectures/ErdosProblems/681.leanErdos681.erdos_6811 lineExact file
True ↔ ∀ᶠ (n : ℕ) in Filter.atTop, ∃ k > 0, (n + k).Composite ∧ ∀ (p : ℕ), Erdos681.IsLPF p (n + k) → p > k ^ 2
OpenStatement only, no proof

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