The book is now available! 53245...48801 (4999-digits)
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ On 8 December 2000, David Broadhurst proved that the 4999-digit generalized repunit (114801 - 1)/10 is prime, making it the largest known prime not found with classical primality tests to date.

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