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:
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MnStatusDetails
44771917No factors below 274
P-1
B1=540 000
B2=14 985 000
LL
StatusDateUserResidueShift
Bad2009-08-14Will Wilkinson270A20D70999B11533856620
Verified2015-11-17endless_mikeA18E010238895BAD7964214
Verified2016-10-29Mark RoseA18E010238895BAD28214618
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2016-08-01-Anonymous-LL double-check0.0 % 2016-08-012016-09-10
2016-06-21-Anonymous-LL double-check0.0 % 2016-06-212016-07-31
2016-05-11-Anonymous-LL double-check0.0 % 2016-05-112016-06-20
2016-03-31-Anonymous-LL double-check0.0 % 2016-03-312016-05-10
2016-01-23nathsouLL double-checkLL0.9 % 2016-02-192016-03-30
History
DateUserTypeResult
2019-11-16Sid & AndyNFno factor from 2^73 to 2^74
2018-08-04-Anonymous-NFno factor from 2^72 to 2^73
2016-10-29Mark RoseC-LLA18E010238895BAD
2016-02-23Mark RoseNFno factor from 2^1 to 2^63
2015-11-17endless_mikeC-LLA18E010238895BAD
2015-10-09JCNFno factor from 2^71 to 2^72
2015-10-09JCNFno factor from 2^70 to 2^71
2015-08-04Carsten KossendeyNFno factor from 2^69 to 2^70
2014-07-07NRNFno factor from 2^68 to 2^69
2009-08-14Will WilkinsonC-LL270A20D70999B115
2009-06-15Will WilkinsonNF-PM1B1=540000, B2=14985000
2007-10-29Team Prime RibNFno factor from 2^67 to 2^68
2007-10-29Team Prime RibNFno factor from 2^66 to 2^67
2007-10-29Team Prime RibNFno factor from 2^65 to 2^66
2007-10-29Team Prime RibNFno factor from 2^64 to 2^65
2007-10-29Team Prime RibNFno factor from 2^63 to 2^64