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
98039189Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 965000
B2 = 24125000
LL
StatusDateUserResidueShift
Unverified2020-01-15Sergey Nosov7F4375551CFC7E__34990454
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-11-02-Anonymous-LL double-check0.00 % 2024-11-02
History
DateUserTypeResult
2020-01-15Sergey NosovC-LL
7F4375551CFC7E__
2019-11-17TheJudgerNF
no factor from 2^76 to 2^77
2019-11-17TheJudgerNF
no factor from 2^75 to 2^76
2019-11-17TheJudgerNF
no factor from 2^74 to 2^75
2019-11-12lobsterfordinnerNF
no factor from 2^73 to 2^74
2019-10-06Ryan PropperNF-PM1
B1=965000, B2=24125000, E=6
2019-03-06Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-27Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-10-06workerthreadNF
no factor from 2^70 to 2^71
2014-06-24SMoffatNF
no factor from 2^69 to 2^70
2014-05-31SMoffatNF
no factor from 2^68 to 2^69
2014-04-12Carsten KossendeyNF
no factor from 2^67 to 2^68
2013-07-30g0bNF
no factor from 2^66 to 2^67
2013-07-26JoDuNF
no factor from 2^65 to 2^66