Skip to content

Erdős problem 203

Is there an integer mm with (m,6)=1(m, 6) = 1 such that none of 2k3m+12^k \cdot 3^\ell \cdot m + 1 are prime, for any k,0k, \ell \ge 0?

Sources

Browse retained paths and inspect the exact material available for this Problem.

1 retained statement2415f78e850a

Open selected source

FormalConjectures/ErdosProblems/

203.lean

Retained formal statement1 of 1

Is there an integer mm with (m,6)=1(m, 6) = 1 such that none of 2k3m+12^k \cdot 3^\ell \cdot m + 1 are prime, for any k,0k, \ell \ge 0?

FormalConjectures/ErdosProblems/203.leanErdos203.erdos_2031 lineExact file
True ↔ ∃ m, m.Coprime 6 ∧ ∀ (k l : ℕ), ¬Nat.Prime (2 ^ k * 3 ^ l * m + 1)
OpenStatement only, no proofformal statement reference

Search problems.science

Find a Problem, Result, source, or page