The book is now available! 101
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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


The only known prime p such that sigma(p-1) = sigma(p+1) + 1. [Firoozbakht]


  Submitted: 2009-11-25 09:34:14;   Last Modified: 2009-11-27 14:03:13.

Prime Curios! © 2000-2019 (all rights reserved)  privacy statement