Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for Greg Hewgill

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#UserExponentFactorBits*Date
1Greg Hewgill5594458711573646822242862807568176.6152011-08-24 00:09:00
2Greg Hewgill44916317435230814607926111254371.8822011-03-30 04:38:00