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
64481909TF
No factors below 275
TF target 274
P-1
B1 = 600000
B2 = 15600000
LL
StatusDateUserResidueShift
Verified2013-09-26curtisc7A48A00F0E30C9F54382133
Verified2023-04-20Sergey Nosov7A48A00F0E30C9F521978168
History
DateUserTypeResult
2023-04-20Sergey NosovC-LL
7A48A00F0E30C9F5
2022-11-19La GüiraNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2013-09-26curtiscC-LL
7A48A00F0E30C9F5
2013-07-28owftheevilNF-PM1
B1=600000, B2=15600000, e=12
2013-07-20Jerry HallettNF
no factor from 2^73 to 2^74
2013-05-13TheJudgerNF
no factor from 2^72 to 2^73
2013-05-13TheJudgerNF
no factor from 2^71 to 2^72
2013-05-13TheJudgerNF
no factor from 2^70 to 2^71
2012-01-11-Anonymous-NF
no factor from 2^69 to 2^70
2010-01-04UngelovendeNF
no factor from 2^68 to 2^69
2009-12-21UngelovendeNF
no factor from 2^67 to 2^68
2009-12-11UngelovendeNF
no factor from 2^66 to 2^67
2009-12-08GrunwalderGIMPNF
no factor from 2^65 to 2^66
2009-10-06scuderiaDSNF
no factor from 2^64 to 2^65
2009-03-10Wojciech FlorekNF
no factor from 2^63 to 2^64