Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for IEFBR14

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#UserExponentFactorBits*Date
1IEFBR14915534439540400399747827858129772986.3022019-05-24 20:44:44
2IEFBR1491557803424863910265119518948403381.8132019-05-25 12:44:34