The book is now available! 131
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

Single Curio View:   (Seek other curios for this number)


The smallest prime that remains prime when the end digits (on both sides) are repeated once (i.e., 11311 is also prime).


  Submitted: 2009-06-10 20:05:53;   Last Modified: 2009-06-11 06:03:08.

Prime Curios! © 2000-2018 (all rights reserved)