 |
5437 (just those submitted by Madachy) |
|
|
|
Curios:
Curios Search:
Participate: 
|
Just showing those entries submitted by 'Madachy': (Click here to show all) 
The center prime in a 13-by-13 bordered magic square made solely of prime numbers by a man in jail. [Madachy]
Prime Curios! © 1999-2013 (all rights
reserved)
|