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
75148043Factored
FactorDigitsBitsDate
3255886105035659511896568892788.12016-01-02 19:21:58
P-1 factors
DateFactorB1B2
2016-01-023255886105035659511896568896200000
History
DateUserTypeResult
2016-01-02guruF-PM1
Factor: 325588610503565951189656889 / (P-1, B1=620000)
2015-12-22Brian BeuningNF
no factor from 2^74 to 2^75
2015-12-22Brian BeuningNF
no factor from 2^73 to 2^74
2015-12-13cuBerBruceNF
no factor from 2^72 to 2^73
2015-08-30Judge HaleNF
no factor from 2^71 to 2^72
2014-02-21Choi4KANGNF
no factor from 2^70 to 2^71
2012-12-03Robert_SoCalNF
no factor from 2^69 to 2^70
2010-09-09Simon DennisNF
no factor from 2^68 to 2^69
2010-08-19rickNF
no factor from 2^67 to 2^68
2010-08-10rickNF
no factor from 2^66 to 2^67
2010-08-05rickNF
no factor from 2^65 to 2^66