Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for Arctother

Top factors for all users
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#UserExponentFactorBits*Date
1Arctother4829050993978147559947069312769.6712010-11-06 08:35:00
2Arctother4454821377682702896305695973769.3962008-12-26 02:15:00