The book is now available! 31
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

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

 

Steve Homewood from England discovered that the formula 2n^2 + 4n + 31 generates prime numbers over 43 percent of the time for all positive values up to 10 million, thus solving the Alpha31 problem posed by Vasilios Gardiakos.

 

  Submitted: 2009-12-29 11:46:55;   Last Modified: 2011-12-22 07:53:01.



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