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

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MnStatusDetails
79277701Factored
FactorDigitsBitsDate
1198319692015504307798506832376857856738123.22016-10-02 11:51:33
P-1 factors
DateFactorB1B2
2016-10-021198319692015504307798506832376857856767000013567500
History
DateUserTypeResult
2016-10-02XolotlF-PM1
Factor: 11983196920155043077985068323768578567 / (P-1, B1=670000, B2=13567500, E=12)
2016-07-26AirSquirrelsNF
no factor from 2^74 to 2^75
2016-07-26AirSquirrelsNF
no factor from 2^73 to 2^74
2016-07-26AirSquirrelsNF
no factor from 2^72 to 2^73
2014-01-18ANONYMOUSNF
no factor from 2^71 to 2^72
2013-05-26SMoffatNF
no factor from 2^70 to 2^71
2013-01-21zulianNF
no factor from 2^69 to 2^70
2012-04-10Johan ViljoenNF
no factor from 2^68 to 2^69
2011-04-09Carsten KossendeyNF
no factor from 2^67 to 2^68
2011-03-28root_slaterNF
no factor from 2^66 to 2^67
2011-03-23root_slaterNF
no factor from 2^65 to 2^66