The book is now available! 15
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

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


The smallest multi-digit integer I such that 4*I+1 and 4*I-1 are both primes. [Russo]


  Submitted: 2002-08-08 05:21:09;   Last Modified: 2008-01-30 11:28:00.

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