Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for RB

Top factors for all users
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#UserExponentFactorBits*Date
1RB56150209548003776623515517165556982.1812012-04-03 08:07:00
2RB547305731270936422918151624684173.4282011-09-04 00:56:00