This number is a prime.
Just showing those entries submitted by 'Capelle':
(Click here to show all)
(1!+2!+3!+ ... +n!) - 2 is divisible by this prime number p
for all natural numbers n > p - 2. [Capelle]
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell