ok then I reserve it! I almost sieved it to 1T

to 425K

Primes found

Code:

13236795*2^167188 - 1 is prime! 50336 digits
13236795*2^199020 - 1 is prime! 59919 digits
13236795*2^199516 - 1 is prime! 60068 digits <= Reported
13236795*2^215582 - 1 is prime! 64904 digits <= Reported