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
975147791Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
19502955831030.92008-06-10 22:21:40
99647260295603357531963.12015-12-30 15:17:25
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 9964726029560335753 / TF: 1-65