The book is now available! 137438691329
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 

Participate:
Share
                                                               13 7438691329
+ The largest known prime number (emirp) of the form (2^(p-1)*(2^p)-1) + 1 where 2^p - 1 is a Mersenne prime. Such numbers are called right perfect primes; the others are 7, 29, and 33550337. [Loungrides]




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