Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
975047197Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
58502831831032.42008-05-31 23:57:15
123998078106677931753.52014-09-25 11:32:11
15189680167982672891960.42015-12-28 06:40:37
History
DateUserTypeResult
2015-12-28ConductorF
Factor: 1518968016798267289 / TF: 1-65
2014-09-25TJAOIF
Factor: 12399807810667793 / TF: 53-54