Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for M_R

Top factors for all users
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#UserExponentFactorBits*Date
1M_R4924759132852422754417388803675140287198.0522011-06-19 12:33:00
2M_R5209348723739877882779136184602794335997.5832011-06-12 18:24:00
3M_R574909678826479183649650176816976.2242012-02-20 15:34:00