The book is now available! 9901
(just those submitted by La Haye)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ The greatest prime factor of any 12-digit repdigit is 9901. [La Haye]




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