The book is now available! 1304119699
(just those submitted by Rivera)
Prime Curios!
Curios: Curios Search:

The hardware and software on this system was updated September 4th.  Please let me know of any problem you encounter. <>

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

+ Replace any single digit of 1304119699 with a 7 and the result is always prime. [Rivera]

Prime Curios! © 2000-2014 (all rights reserved)