The book is now available! 2
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

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


"Check this out. The second derivative of ex is ex, right? And ex evaluated at 0 is equal to 1, right? Therefore 2 has got to be a prime number." (from the paper A Curious Way to Test for Primes by Dennis P. Walsh, 2007)


  Submitted: 2009-09-26 13:45:44;   Last Modified: 2009-09-26 14:14:31.

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