Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
65184563Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 585000
B2 = 11846250
LL
StatusDateUserResidueShift
Verified2014-05-17-Anonymous-2B71AF335E503A1920951692
Verified2022-08-15Sergey Nosov2B71AF335E503A1954719132
History
DateUserTypeResult
2022-08-15Sergey NosovC-LL
2B71AF335E503A19
2021-07-26Richard ThomasNF
no factor from 2^74 to 2^75
2016-03-27Mark RoseNF
no factor from 2^60 to 2^63
2014-05-17-Anonymous-C-LL
2B71AF335E503A19
2013-12-22TheJudgerNF-PM1
B1=585000, B2=11846250, E=12
2013-12-15TheJudgerNF
no factor from 2^73 to 2^74
2013-12-15TheJudgerNF
no factor from 2^72 to 2^73
2013-11-28RichD0NF
no factor from 2^71 to 2^72
2012-06-15]mh[ VirtekNF
no factor from 2^70 to 2^71
2012-01-16MarkucsbNF
no factor from 2^69 to 2^70
2010-06-30GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-06-29GrunwalderGIMPNF
no factor from 2^67 to 2^68
2010-06-28GrunwalderGIMPNF
no factor from 2^66 to 2^67
2010-06-27GrunwalderGIMPNF
no factor from 2^65 to 2^66
2010-06-26GrunwalderGIMPNF
no factor from 2^64 to 2^65
2009-01-06Wojciech FlorekNF
no factor from 2^63 to 2^64