Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for ken-ishi

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#UserExponentFactorBits*Date
1ken-ishi4508831349742213131917510451760978.7192009-05-13 21:24:00
2ken-ishi48882343955681941283570475400173.0172010-06-25 14:01:00
3ken-ishi50492333251619155485314691336171.0922010-10-06 16:51:00
4ken-ishi52461953154960019342435120875370.3922011-02-24 23:52:00