The book is now available! 115829122963
(just those submitted by Resta)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
                                                               11 5829122963

Just showing those entries submitted by 'Resta': (Click here to show all)

+ The smallest prime which can be changed into a prime twenty-eight ways by altering a digit. [Resta]




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