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

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MnStatusDetails
66105983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
557354561452107016040712375.62023-07-31 04:35:34
LL
StatusDateUserResidueShift
Verified (Factored)2015-02-25Wouter Zelle5C7DFEA247E7706112819489
History
DateUserTypeResult
2023-07-31Smok_bmv F
Factor: 55735456145210701604071 / TF: 75-76*
2022-09-11ScottieMckinleyNF-PM1
B1=377000, B2=108692430
2021-10-30tottenhoffNF
no factor from 2^74 to 2^75
2015-02-25Wouter ZelleC-LL
5C7DFEA247E77061
2014-05-25-Anonymous-NF-PM1
B1=690000
2014-05-22RichD0NF
no factor from 2^73 to 2^74
2014-03-16MikeBerlinNF
no factor from 2^72 to 2^73
2014-03-01PhantomasNF
no factor from 2^71 to 2^72
2012-09-15Bold_SeekerNF
no factor from 2^70 to 2^71
2012-02-08tmorrowNF
no factor from 2^69 to 2^70
2009-12-11MarionNF
no factor from 2^68 to 2^69
2009-12-05GrunwalderGIMPNF
no factor from 2^67 to 2^68
2009-12-04GrunwalderGIMPNF
no factor from 2^66 to 2^67
2009-12-03-Anonymous-NF
no factor from 2^65 to 2^66
2009-11-23kiaNF
no factor from 2^64 to 2^65
2009-06-161997rj7NF
no factor to 2^64