61

This number is a prime.

Single Curio View:   (Seek other curios for this number)
61! - 60! + 59! - 58! + ... + 5! - 4! + 3! - 2! + 1! is prime.

Submitted: 2002-05-12 04:20:09;   Last Modified: 2008-07-31 07:29:39.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell