Erdős problem 1113
Erdős Problem 1113. Do there exist Sierpiński numbers that possess no finite covering set of primes?
Sources
FormalConjectures/ErdosProblems/
1113.lean
Retained formal statement
Filaseta–Finch–Kozek conjecture (2008). Every Sierpiński number is either a perfect power or possesses a finite covering set of primes.
∀ (k : ℕ), k.IsSierpinskiNumber → k.IsPerfectPower ∨ Erdos1113.HasFinitePrimeCoveringSet kOpenStatement only, no proof