Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
55798321TF
No factors below 274
TF target 273
P-1
B1 = 560000
B2 = 12180000
LL
StatusDateUserResidueShift
Verified2013-06-18curtiscCDCE2899DB6C39784264550
Verified2021-05-22Craig Chadwick EsqCDCE2899DB6C397847974777
History
DateUserTypeResult
2021-05-22Craig Chadwick EsqC-LL
CDCE2899DB6C3978
2019-03-06dh1NF
no factor from 2^73 to 2^74
2016-02-19-Anonymous-NF
no factor from 2^72 to 2^73
2013-06-18curtiscC-LL
CDCE2899DB6C3978
2012-07-15TheJudgerNF-PM1
B1=560000, B2=12180000, E=12
2012-04-28XyzzyNF
no factor from 2^71 to 2^72
2012-04-28XyzzyNF
no factor from 2^70 to 2^71
2011-06-05ddboy3NF
no factor from 2^69 to 2^70
2011-04-18-Anonymous-NF
no factor from 2^68 to 2^69
2009-07-24rpmohnNF
no factor from 2^67 to 2^68
2009-01-11stigmvNF
no factor from 2^66 to 2^67
2009-01-09stigmvNF
no factor from 2^65 to 2^66
2009-01-07-Anonymous-NF
no factor from 2^64 to 2^65
2008-11-031997rj7NF
no factor to 2^64