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Problem
erdos:646
True ↔ ∀ (S : Finset ℕ), (∀ p ∈ S, Nat.Prime p) → {n | ∀ p ∈ S, Even (padicValNat p n.factorial)}.Infinite
Open Current State
Declared status
proved (Lean)
Formalization
formalized
Subjects
number theory
·
factorials
OEIS
N/A
Sources
source:erdos-ai-contributions-wiki
·
source:erdos-problems
·
source:formal-conjectures
·
source:jayyhk-erdos-lean
·
source:plby-lean-proofs
Statement
www.erdosproblems.com
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