Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for Bartholomew Barker

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#UserExponentFactorBits*Date
1Bartholomew Barker56585869114526639982425241374228456789.8882011-12-06 23:08:00
2Bartholomew Barker546324772083735155182143986777774.1422012-01-03 19:52:00