Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
600451Factored
FactorDigitsBitsDate
317038129928.2old
31798578020395038188703013672891.42020-08-01 17:36:22
ECM
DigitsB1Curves
2550000280 / 280
30250000204 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse03ECE91F9C8FC7C31013
Verified (Factored)2017-09-28Oliver Kruse03ECE91F9C8FC7C31013
Verified (Factored)2017-11-09kkmrkkblmbrbk03ECE91F9C8FC7C3143302513
Verified (Factored)2020-04-19Oliver KruseB2C80F3368F88A1F131456653
Verified2020-08-02ANONYMOUSB2C80F3368F88A1F253485953
Verified2020-08-06nordiB2C80F3368F88A1F240628653
History
DateUserTypeResult
2022-12-07USAFSSNF-PM1
B1=2000000, B2=6396029640
2020-08-06nordiC-PRP
M600451/317038129/3179857802039503818870301367 : B2C80F3368F88A1F
PRP: Verified
PRP without proof (small exponent)
2020-08-02ANONYMOUSC-PRP
M600451/317038129/3179857802039503818870301367 : B2C80F3368F88A1F
PRP: Verified
PRP without proof (small exponent)
2020-08-01nordiF-ECM
Factor: 3179857802039503818870301367 / (ECM curve 68, B1=250000, B2=25000000, Sigma=7322759573329650)
2020-04-19Oliver KruseC-PRP
M600451/317038129 : B2C80F3368F88A1F
PRP: Verified
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M600451/317038129 : 03ECE91F9C8FC7C3
PRP: Verified
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M600451/317038129 : 03ECE91F9C8FC7C3
PRP: Verified
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M600451/317038129 : 03ECE91F9C8FC7C3
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=1000000, B2=30000000, E=12