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
38599861TF
No factors below 273
TF target 272
P-1
B1 = 400000
B2 = 12000000
LL
StatusDateUserResidueShift
Verified2007-06-15Brian Stadler8E81DF72A91DCC1525136474
Verified2016-08-14Sergey Nosov8E81DF72A91DCC1526061090
History
DateUserTypeResult
2022-06-05Sid & AndyNF
no factor from 2^72 to 2^73
2018-07-04Architects CubedNF
no factor from 2^71 to 2^72
2016-08-14Sergey NosovC-LL
8E81DF72A91DCC15
2016-05-31HBendtzNF-PM1
B1=400000, B2=12000000, e=12
2014-12-05chalsallNF
no factor from 2^70 to 2^71
2014-09-22mikrNF
no factor from 2^69 to 2^70
2013-09-19Carsten KossendeyNF
no factor from 2^68 to 2^69