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
29027431TF
No factors below 275
TF target 270
P-1
B1 = 1014000
B2 = 49110000
ECM
DigitsB1Curves
255000013 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
Verified2005-05-12C. Cooper / S. Boone468CEBB5370A241222824901
Verified2012-03-01ANONYMOUS468CEBB5370A24124703971
History
DateUserTypeResult
2021-12-12ATHNF-PP1
Start=2/7, B1=1000000, B2=28000000
2021-11-11Architects CubedNF-PM1
B1=1014000, B2=49110000
2021-10-06TheJudgerNF
no factor from 2^74 to 2^75
2021-09-10TheJudgerNF
no factor from 2^73 to 2^74
2021-01-06Sid & AndyNF
no factor from 2^72 to 2^73
2020-08-19Sid & AndyNF
no factor from 2^71 to 2^72
2020-08-19Sid & AndyNF
no factor from 2^70 to 2^71
2016-03-26Mark RoseNF
no factor from 2^69 to 2^70
2016-02-23Mark RoseNF
no factor from 2^56 to 2^62
2012-03-01ANONYMOUSC-LL
468CEBB5370A2412
2010-03-07GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-03-07GrunwalderGIMPNF
no factor from 2^67 to 2^68
2010-03-06GrunwalderGIMPNF
no factor from 2^66 to 2^67
2008-11-09Carsten KossendeyNF
no factor from 2^65 to 2^66
2008-11-08Carsten KossendeyNF
no factor from 2^64 to 2^65
2008-06-20markrNF
no factor from 2^63 to 2^64
2008-06-20markrNF
no factor from 2^62 to 2^63