Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for Ryan Atkins

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#UserExponentFactorBits*Date
1Ryan Atkins6142435746934946636000390937796978.6352013-02-11 13:51:00
2Ryan Atkins625993675137126241585947190727175.4432013-04-09 16:01:00