Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for URA

Top factors for all users
search by user

#UserExponentFactorBits*Date
1URA38319467246833935473862446716971.0642008-12-17 18:01:00
2URA4489341142262579865691529504168.5182009-01-03 05:22:00