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
2056459Factored
FactorDigitsBitsDate
777341503929.5old
304397061191134.82008-07-15 07:49:50
313774514231134.92008-07-15 07:49:50
7849512517181164809612169.42022-08-20 17:54:07
ECM
DigitsB1Curves
2550000133 / 280
Estimated T-Level: 22.4
TF below 2^69 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-06Oliver Kruse3967287E908DCAA13013
Verified (Factored)2017-11-15ATH3967287E908DCAA1372067513
Verified2022-08-22_p95holder_2AFCCE0588F16BE7447303053
Verified2022-08-27firejuggler2AFCCE0588F16BE74123966053
History
DateUserTypeResult
2022-08-27StockmeyerCERT
PRP Certification
Proof certified good
2022-08-27firejugglerC-PRP
M2056459/777341503/30439706119/31377451423/784951251718116480961 : 2AFCCE0588F16BE7
PRP proof power = 7
PRP: Verified
Proof certified good
2022-08-22_p95holder_C-PRP
M2056459/777341503/30439706119/31377451423/784951251718116480961 : 2AFCCE0588F16BE7
PRP: Verified
PRP without proof (not generated)
2022-08-20_p95holder_F-ECM
Factor: 784951251718116480961 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-15ATHC-PRP
M2056459/777341503/30439706119/31377451423 : 3967287E908DCAA1
PRP: Verified
PRP without proof (not generated)
2017-10-06Oliver KruseC-PRP
M2056459/777341503/30439706119/31377451423 : 3967287E908DCAA1
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-15J FeitsmaF
Factor: 31377451423
2008-07-15J FeitsmaF
Factor: 30439706119