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
55728223TF
No factors below 274
TF target 273
P-1
B1 = 665000
B2 = 19950000
LL
StatusDateUserResidueShift
Verified2013-02-21Stephan Grupp7C3B0C95C31C75324038365
Verified2021-01-25Dmitriy Degtiarev7C3B0C95C31C75322906433
History
DateUserTypeResult
2021-01-25Dmitriy DegtiarevC-LL
7C3B0C95C31C7532
2019-04-20linamentNF
no factor from 2^73 to 2^74
2016-02-07-Anonymous-NF
no factor from 2^72 to 2^73
2013-02-21Stephan GruppC-LL
7C3B0C95C31C7532
2012-07-07Tom DuellNF
no factor from 2^71 to 2^72
2011-08-28TheJudgerNF
no factor from 2^70 to 2^71
2011-07-18GrunwalderGIMPNF
no factor from 2^69 to 2^70
2011-07-14David LNF
no factor from 2^68 to 2^69
2011-07-07NoPaNF-PM1
B1=665000, B2=19950000
2009-08-08silverwolf741NF
no factor from 2^67 to 2^68
2009-03-12lycornNF
no factor from 2^66 to 2^67
2009-03-08stevecodyNF
no factor from 2^65 to 2^66
2009-01-05Sturle SundeNF
no factor from 2^64 to 2^65
2008-09-29-Anonymous-NF
no factor to 2^64