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
975671843Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
1166064446443031546.72008-06-02 05:54:49
15491684213717279991960.42015-12-30 18:13:36
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 1549168421371727999 / TF: 1-62