The book is now available! 459
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

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


As of 2009, the largest known natural number n such that (1!+2!+3!+4!+ ... +n!) - 2 is prime. [Capelle]


  Submitted: 2009-10-04 03:23:43;   Last Modified: 2013-07-11 20:58:14.

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