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

PrimeNet Exponent Status

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MnStatusDetails
91782877Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 278
TF target 275
P-1
B1 = 705000
B2 = 13571250
LL
StatusDateUserResidueShift
Unverified2020-08-05RobertKazan5FDB7A0C5AA001__27570737
History
DateUserTypeResult
2020-12-05SRS TechnologyNF
no factor from 2^77 to 2^78
2020-08-05RobertKazanC-LL
5FDB7A0C5AA001__
2019-06-16TheJudgerNF-PM1
B1=705000, B2=13571250, E=12
2019-04-13TravisJankNF
no factor from 2^76 to 2^77
2019-01-13TheJudgerNF
no factor from 2^75 to 2^76
2019-01-13TheJudgerNF
no factor from 2^74 to 2^75
2018-08-16Tim SorberaNF
no factor from 2^73 to 2^74
2018-08-12ixfd64NF
no factor from 2^72 to 2^73
2014-06-15SRS TechnologyNF
no factor from 2^71 to 2^72
2014-06-15SRS TechnologyNF
no factor from 2^70 to 2^71
2014-06-15SRS TechnologyNF
no factor from 2^69 to 2^70
2014-06-15SRS TechnologyNF
no factor from 2^68 to 2^69
2014-04-11PascalBieriNF
no factor from 2^67 to 2^68
2014-04-06PascalBieriNF
no factor from 2^66 to 2^67
2014-04-06-Anonymous-NF
no factor from 2^66 to 2^67
2013-06-26David CampeauNF
no factor from 2^65 to 2^66
2011-01-08Architects CubedNF
no factor from 2^64 to 2^65