Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for Albrecht Heeffer

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#UserExponentFactorBits*Date
1Albrecht Heeffer59086969606968560106115596190202792792.2942012-04-01 21:45:00
2Albrecht Heeffer6110362927335075763739478094751177.8552013-02-10 19:42:00