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
478367189Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6651280314956597918332169.22017-12-13 09:59:13
History
DateUserTypeResult
2017-12-13ky0urakuF
Factor: 665128031495659791833 / TF: 69-70
2017-12-02ky0urakuNF
no factor from 2^68 to 2^69
2016-06-14sasakiNF
no factor from 2^67 to 2^68
2016-04-05sasakiNF
no factor from 2^66 to 2^67
2014-10-10Chih-Wei HuangNF
no factor from 2^65 to 2^66
2011-12-12Mr-PlonkNF
no factor from 2^64 to 2^65
2010-03-31Architects CubedNF
no factor from 2^63 to 2^64