This number is a prime.
Single Curio View: (Seek other curios for this number)In 1644, Mersenne wrote that 2^257 - 1 was prime. It took 283 years for Lehmer to prove him wrong; later, Penk and Baillie found its three prime factors. This is the smallest of those three.
Submitted: 2003-12-20 02:44:15; Last Modified: 2008-08-01 07:31:33.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell