 |
39 (just those submitted by Rivera) |
|
|
|
Curios:
Curios Search:
Participate: 
|
Just showing those entries submitted by 'Rivera': (Click here to show all) 
The least composite odd number that is the sum of the primes between
its smallest and largest prime factors (39 = 3 * 13 = 3 + 5 + 7 + 11 + 13). [Rivera]
Prime Curios! © 1999-2013 (all rights
reserved)
|