Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for Cheong, Kuan U

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#UserExponentFactorBits*Date
1Cheong, Kuan U4362175151174389486467961787055097977798.6912009-09-14 12:12:00
2Cheong, Kuan U4503727110611426541749839479734859186.4562009-05-21 10:32:00