47
This number is a prime.
Single Curio View: (Seek other curios for this number)
In 1958, R. M. Robinson was unable to find a single prime
of the form 47 * 2^n + 1.
Submitted: 2008-10-11 02:56:23; Last Modified: 2008-10-11 02:58:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell