The book is now available! 18
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

The smallest number C of the form 2a^2 such that C+1 and C-1 are both prime. [Hartley]

 

  Submitted: 2003-02-17 22:13:57;   Last Modified: 2008-01-30 11:28:00.



Prime Curios! © 2000-2017 (all rights reserved)