The book is now available! 41
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

Single Curio View:   (Seek other curios for this number)


The formula (41 + x)2 - x, for x = 2 to 40, yields 34 primes. Composites (five in all) occur only where x is a square. [Sutherland]


  Submitted: 2003-12-30 12:21:41;   Last Modified: 2008-01-30 11:28:00.

Prime Curios! © 2000-2018 (all rights reserved)  privacy statement