Submit your PRPs (more than 50,000 digits)

Since December 15th, the new digits limit is 50,000 digits.

Choose your name...

     or enter it if you are not in the list : (first and last name)

The probable primes you have found :
(please type one number by line using the following format :
number,its number of digits in base 10
and don't type their decimal expansion ;-)

Please double-check the number of digits of your submitted PRPs. Any mistake can cause cancellation or delay. You can check on WolframAlpha for instance.

Additional comments concerning all those PRPs (sieve limit used, probable tests you have made, in which bases, ...) :

Your e-mail address for a confirmation :