The book is now available! 2221
(just those submitted by Gallardo)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ The smallest prime such that if reduced by one, has 1, 2 and 3-digit factors. [Gallardo]




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