Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for ART

Top factors for all users
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#UserExponentFactorBits*Date
1ART50268187109285395771170751729769.8892010-04-23 17:36:00
2ART5028193990563666674105873742369.6182010-04-25 14:16:00