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Are there infinite primes of the form n!+1 ? I searched the internet but couldn't find the answer.

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    $\begingroup$ Primes of the form $n!\pm1$ are called 'factorial primes' $\endgroup$
    – Regret
    Dec 11, 2014 at 12:40
  • $\begingroup$ It is an unsolved problem. See here. $\endgroup$
    – user170039
    Dec 11, 2014 at 12:40

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