Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
105521051Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 276
TF target 276
P-1
B1 = 1005000
B2 = 19346250
LL
StatusDateUserResidueShift
Unverified2020-04-19La GüiraEE0783A10CBB11__73906271
History
DateUserTypeResult
2021-04-22Architects CubedNF
no factor from 2^75 to 2^76
2020-05-04Mark RoseNF
no factor from 2^74 to 2^75
2020-04-19La GüiraC-LL
EE0783A10CBB11__
2020-01-21La GüiraNF-PM1
B1=1005000, B2=19346250
2014-11-03ANONYMOUSNF
no factor from 2^73 to 2^74
2014-11-03ANONYMOUSNF
no factor from 2^72 to 2^73
2014-11-03ANONYMOUSNF
no factor from 2^71 to 2^72
2014-11-03ANONYMOUSNF
no factor from 2^70 to 2^71
2014-06-18webbertNF
no factor from 2^69 to 2^70
2013-09-17RobishNF
no factor from 2^68 to 2^69
2013-09-17-Anonymous-NF
no factor from 2^68 to 2^69
2013-09-05RobishNF
no factor from 2^67 to 2^68
2013-09-04RobishNF
no factor from 2^66 to 2^67
2012-05-12Mr-PlonkNF
no factor from 2^65 to 2^66
2010-09-01Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-20Torchwood InstituteNF
no factor from 2^63 to 2^64