Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
209150933Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4787137577805730238712168.72017-11-02 09:04:18
History
DateUserTypeResult
2025-03-23James HeinrichF
Factor: 478713757780573023871 / TF: 68-70
2017-11-02ConductorF
Factor: 478713757780573023871 / TF: 68-69
2016-09-05DerekNF
no factor from 2^67 to 2^68
2015-10-11sky_windhNF
no factor from 2^66 to 2^67
2013-08-11RichardNF
no factor from 2^65 to 2^66
2011-05-16GrunwalderGIMPNF
no factor from 2^64 to 2^65