11
This number is a prime.
Single Curio View:    (Seek other curios for this number)
The only Sophie Germain prime of the form 4*p - 1, where p
is prime.  [Xavier]
 Submitted: 2019-09-25 21:38:20;   Last Modified: 2019-09-26 01:25:14.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean