171
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 
Participate:
+ 10171 - 171 is prime. [Broadhurst and Titanix]

+ pi(1)!*pi(2)!*pi(3)!*...*pi(171)! - 1 is a 3857-digit prime. [Firoozbakht]



Prime Curios! © 1999-2009 (all rights reserved)