13
This number is a prime.
Single Curio View:    (Seek other curios for this number)
13 is the smallest prime that cannot be a member of a Sophie Germain pair.  [King]
 Submitted: 2003-03-31 09:26:40;   Last Modified: 2008-01-30 17:28:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean