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
2933743Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
3079315327671238.2old
18189033595591068791960.72016-02-24 12:33:17
ECM
DigitsB1Curves
255000066 / 280
Estimated T-Level: 21.2
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-30alpertron29EA681CFC5F9F262013
Verified2017-11-18Oliver Kruse29EA681CFC5F9F26223284513
History
DateUserTypeResult
2023-02-08USAFSSNF-PM1
B1=360000, B2=282695490
2017-11-18Oliver KruseC-PRP
M2933743/307931532767/1818903359559106879 : 29EA681CFC5F9F26
PRP: Verified
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M2933743/1818903359559106879/307931532767 : 29EA681CFC5F9F26
PRP: Verified
PRP without proof (not generated)
2016-02-24TJAOIF
Factor: 1818903359559106879 / TF: 60-61