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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MnStatusDetails
40420493TF
No factors below 273
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2010-03-09rick6B95C4FB8103A89E10139473
Verified2017-03-06Sergey Nosov6B95C4FB8103A89E22008847
History
DateUserTypeResult
2019-06-09Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=12
2019-04-01Random GPUsNF
no factor from 2^72 to 2^73
2017-03-06Sergey NosovC-LL
6B95C4FB8103A89E
2015-03-27Travis Glenn RussoNF
no factor from 2^71 to 2^72
2014-12-20ChuckNF
no factor from 2^70 to 2^71
2014-12-20ChuckNF
no factor from 2^69 to 2^70
2013-11-03VictordeHollanderNF
no factor from 2^68 to 2^69
2010-03-09rickC-LL
6B95C4FB8103A89E
2009-03-02ANONYMOUSNF-PM1
B1=665000