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

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MnStatusDetails
77796283Factored
FactorDigitsBitsDate
5375121243616972310282092478.82016-05-20 06:30:40
P-1 factors
DateFactorB1B2
2016-05-205375121243616972310282096600000
History
DateUserTypeResult
2016-05-20baseyF-PM1
Factor: 537512124361697231028209 / (P-1, B1=660000)
2016-05-11AirSquirrelsNF
no factor from 2^74 to 2^75
2016-05-11AirSquirrelsNF
no factor from 2^73 to 2^74
2016-04-24GregNF
no factor from 2^72 to 2^73
2016-04-04Mark RoseNF
no factor from 2^53 to 2^64
2016-01-08DerekNF
no factor from 2^71 to 2^72
2013-05-22SMoffatNF
no factor from 2^70 to 2^71
2013-01-21James RushworthNF
no factor from 2^69 to 2^70
2013-01-11Joe HudsonNF
no factor from 2^68 to 2^69
2012-10-12AxelssonNF
no factor from 2^67 to 2^68
2010-12-13BoulderNF
no factor from 2^66 to 2^67
2010-10-20symalladNF
no factor from 2^65 to 2^66
2010-10-15Arne VikNF
no factor from 2^64 to 2^65