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
64613611TF
No factors below 274
TF target 274
P-1
B1 = 580000
B2 = 11600000
LL
StatusDateUserResidueShift
Verified2015-05-13curtiscBF8221AFD7C341EE27640584
Verified2022-02-19Andrew_andBF8221AFD7C341EE58116328
History
DateUserTypeResult
2022-02-19Andrew_andC-LL
BF8221AFD7C341EE
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2015-05-13curtiscC-LL
BF8221AFD7C341EE
2013-11-22timc995NF-PM1
B1=580000, B2=11600000, E=12
2013-11-17TheJudgerNF
no factor from 2^73 to 2^74
2013-11-17TheJudgerNF
no factor from 2^72 to 2^73
2013-10-31PhantomasNF
no factor from 2^71 to 2^72
2012-05-29america64NF
no factor from 2^70 to 2^71
2011-10-04america64NF
no factor from 2^69 to 2^70
2009-12-05Alan PearmainNF
no factor from 2^68 to 2^69
2009-11-27sikafarmi_rendering_farmNF
no factor from 2^67 to 2^68
2009-10-19werdwerdusNF
no factor from 2^66 to 2^67
2009-10-14Sturle SundeNF
no factor from 2^65 to 2^66
2009-10-12Nick WagersNF
no factor from 2^64 to 2^65
2009-05-31Architects CubedNF
no factor from 2^63 to 2^64