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
67005317Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 730000
B2 = 17885000
LL
StatusDateUserResidueShift
Verified2014-06-26Ben Newsam573A4E5034F28F4A66672923
Verified2023-04-27Ryan Propper573A4E5034F28F4A52048403
History
DateUserTypeResult
2024-06-14LaurVNF
no factor from 2^71 to 2^72
2023-04-27Ryan PropperC-LL
573A4E5034F28F4A
2020-07-19TheJudgerNF
no factor from 2^74 to 2^75
2014-06-26Ben NewsamC-LL
573A4E5034F28F4A
2014-01-23Jerry HallettNF
no factor from 2^73 to 2^74
2014-01-18Jerry HallettNF
no factor from 2^72 to 2^73
2013-10-29Architects CubedNF
no factor from 2^71 to 2^72
2013-08-25David HruskaNF-PM1
B1=730000, B2=17885000, E=6
2012-09-24JimBaNF
no factor from 2^70 to 2^71
2012-02-16StefanNF
no factor from 2^69 to 2^70
2009-12-31Robert M.NF
no factor from 2^68 to 2^69
2009-12-26ANONYMOUSNF
no factor from 2^67 to 2^68
2009-04-03Sturle SundeNF
no factor from 2^66 to 2^67
2009-04-01Sturle SundeNF
no factor from 2^65 to 2^66
2009-03-31Sturle SundeNF
no factor from 2^64 to 2^65
2008-12-10Wojciech FlorekNF
no factor to 2^64