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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Exponent Range:










MnStatusDetails
56583407TF
No factors below 274
TF target 273
P-1
B1 = 565000
B2 = 12288750
LL
StatusDateUserResidueShift
Bad2012-07-22YxinityC645C7EEA9C3EF7236767609
Verified2013-08-03McAlisterC8DE77C10B0C88B852349123
Verified2016-11-15AirSquirrelsC8DE77C10B0C88B80
History
DateUserTypeResult
2018-11-08Architects CubedNF
no factor from 2^73 to 2^74
2016-11-15AirSquirrelsC-LL
C8DE77C10B0C88B8
2016-02-23Mark RoseNF
no factor from 2^61 to 2^64
2015-07-28Mark RoseNF
no factor from 2^72 to 2^73
2013-08-03McAlisterC-LL
C8DE77C10B0C88B8
2012-07-22YxinityC-LL
C645C7EEA9C3EF72
2012-07-01TheJudgerNF-PM1
B1=565000, B2=12288750, E=12
2012-06-18Kyle AskineNF
no factor from 2^71 to 2^72
2011-11-30shaugeNF
no factor from 2^70 to 2^71
2011-06-26XyzzyNF
no factor from 2^69 to 2^70
2011-04-24ap501983NF
no factor from 2^68 to 2^69
2009-06-06stevecodyNF
no factor from 2^67 to 2^68
2008-04-02Sturle SundeNF
no factor from 2^66 to 2^67
2008-04-02David CampeauNF
no factor from 2^65 to 2^66
2008-03-30James HeinrichNF
no factor from 2^64 to 2^65