The book is now available! 9689
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ The only known multidigit Mersenne prime exponent that starts and ends with the same digit. [Luhn]

+ 29689 - 1 is the largest (as of August 2002) known Mersenne prime with a prime number of digits (2917). [Rupinski]

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