Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for Illy

Top factors for all users
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#UserExponentFactorBits*Date
1Illy579107512534362395492423225992425299713100.9992012-01-20 07:04:00
2Illy5677288956578577818387922620180178.9052011-12-10 20:23:00
3Illy54176081473750403544616597625772.0052011-08-13 19:48:00
4Illy50528161194868027537698691193770.7232010-05-21 19:27:00