57

This number is a composite.

Single Curio View:   (Seek other curios for this number)
57 * 21828 + 1 is a Proth prime as well as a generalized Cullen prime. [Wesolowski]

Submitted: 2010-04-26 15:37:52;   Last Modified: 2018-05-12 15:06:25.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell