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
975703007Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2455805440498731547.82008-06-02 05:55:00
19803596182571462571960.82015-12-30 19:54:45
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 1980359618257146257 / TF: 1-62