The book is now available! 5581
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

5581*phi(5581)+1 is prime, where phi is the Euler function. [Russo]

 

  Submitted: 2002-08-08 04:01:10;   Last Modified: 2008-01-30 11:28:00.



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