Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for 556guy

Top factors for all users
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#UserExponentFactorBits*Date
1556guy542680311264899004035715026884724183.3872011-11-19 13:42:00
2556guy41732953217881812489627031896383380.8502009-06-07 17:31:00