5

This number is a prime.

Single Curio View:   (Seek other curios for this number)
5! + 4! - 3! + 2! - 1! and 5! - 4! + 3! - 2! + 1! are each members of a twin prime pair! [Homewood]

Submitted: 2018-05-01 13:12:41;   Last Modified: 2018-05-01 14:33:09.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell