Are there infinite primes of the form n!+1 ? I searched the internet but couldn't find the answer.
-
1$\begingroup$ Primes of the form $n!\pm1$ are called 'factorial primes' $\endgroup$– RegretDec 11, 2014 at 12:40
-
$\begingroup$ It is an unsolved problem. See here. $\endgroup$– user170039Dec 11, 2014 at 12:40