Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for Uvis Utrecht

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#UserExponentFactorBits*Date
1Uvis Utrecht466900671820403201838159212319373.9472010-06-17 03:51:00
2Uvis Utrecht47534093174791672819032874363370.5662009-09-17 20:18:00