2

This number is a prime.

Single Curio View:   (Seek other curios for this number)
(2^2^2 + 1)^(2^2^2 + 1) - (2^2^2 + 1) - 1 is a 21 digit prime. [Luhn]

Submitted: 2002-04-19 11:11:59;   Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell