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
67598669Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 615000
B2 = 12607500
LL
StatusDateUserResidueShift
Verified2016-04-30Robert_SoCal841C5385743211CB49601853
Verified2023-05-21Ryan Propper841C5385743211CB62728092
History
DateUserTypeResult
2024-06-14LaurVNF
no factor from 2^70 to 2^71
2024-06-14LaurVNF
no factor from 2^69 to 2^70
2023-05-21Ryan PropperC-LL
841C5385743211CB
2016-04-30Robert_SoCalC-LL
841C5385743211CB
2016-01-19Judge HaleNF
no factor from 2^74 to 2^75
2014-07-20timc995NF-PM1
B1=615000, B2=12607500, E=12
2014-05-11TheJudgerNF
no factor from 2^73 to 2^74
2014-05-11TheJudgerNF
no factor from 2^72 to 2^73
2014-05-09bayanneNF
no factor from 2^71 to 2^72
2013-06-28Architects CubedNF
no factor from 2^70 to 2^71
2013-06-28Architects CubedNF
no factor from 2^69 to 2^70
2010-02-21Sturle SundeNF
no factor from 2^68 to 2^69
2009-04-10Jürgen DeckerNF
no factor from 2^67 to 2^68
2009-04-08Jürgen DeckerNF
no factor from 2^66 to 2^67
2009-04-07-Anonymous-NF
no factor from 2^65 to 2^66
2009-04-06Nathan EdingtonNF
no factor from 2^64 to 2^65
2008-12-25Wojciech FlorekNF
no factor from 2^63 to 2^64