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
56539541TF
No factors below 274
TF target 273
P-1
B1 = 550000
B2 = 10450000
LL
StatusDateUserResidueShift
Bad2013-06-26curtisc53E25BE33C44441D33058579
Verified2014-07-14Bdot2208242ACD5912B925990487
Verified2016-02-02Architects Cubed2208242ACD5912B911472551
History
DateUserTypeResult
2018-11-06Architects CubedNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2016-02-02Architects CubedC-LL
2208242ACD5912B9
2014-07-14BdotC-LL
2208242ACD5912B9
2013-12-24kdgehmanNF
no factor from 2^72 to 2^73
2013-06-26curtiscC-LL
53E25BE33C44441D
2012-08-02josiboNF-PM1
B1=550000, B2=10450000
2012-07-03Jerry HallettNF
no factor from 2^71 to 2^72
2011-08-22GrayMouseNF
no factor from 2^70 to 2^71
2011-06-15XyzzyNF
no factor from 2^69 to 2^70
2011-05-01dslNF
no factor from 2^68 to 2^69
2009-05-20Sturle SundeNF
no factor from 2^67 to 2^68
2008-03-21David CampeauNF
no factor from 2^66 to 2^67
2008-03-19David CampeauNF
no factor from 2^65 to 2^66
2008-03-16David CampeauNF
no factor from 2^64 to 2^65