Problem

erdos:985

sorry ↔ ∀ (p : ℕ), Nat.Prime p → p ≠ 2 → ∃ q, Nat.Prime q ∧ q < p ∧ orderOf ↑q = p - 1

Open Current State

Declared status: open
Formalization: formalized
Subjects: number theory
OEIS: A002233 · A219429 · A103309 · possible
Sources: source:erdos-problemssource:formal-conjectures
Statement: www.erdosproblems.com

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