59

This number is a prime.

Just showing those entries submitted by 'Keller': (Click here to show all)

+ 59! - 58! + 57! - 56! + 55! - 54! + ... + 1! is prime. [Keller]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell