The book is now available! 123456789
(just those submitted by Trigg)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ Relocating a single digit converts it into a concatenation of five primes: 234156789 _ 23 : 41 : 5 : 67 : 89. [Trigg]




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