23

This number is a prime.

Single Curio View:   (Seek other curios for this number)
The smallest Sophie Germain prime formed by concatenation of two others. [Silva]

Submitted: 2009-10-14 19:24:22;   Last Modified: 2009-10-15 20:04:49.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell