31

This number is a prime.

Single Curio View:   (Seek other curios for this number)
(2^31-1)/(2-1) and (2^31+1)/(2+1) are both prime numbers. [Dobb]

Submitted: 2002-04-15 22:39:44;   Last Modified: 2008-01-30 11:28:00.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell