The book is now available! 1365
(just those submitted by Roldan)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share

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

+ The smallest number that has four distinct prime factors whose arithmetic mean is also a prime number: 1365 = 3*5*7*13 and (3+5+7+13)/4 = 7. [Roldan]




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