Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
2133407Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
7043997896331239.4old
838091809929166071756.22015-03-18 12:07:44
1064858011682367650711832476.52024-10-04 08:43:33
ECM
DigitsB1Curves
2550000280 / 280
30250000163 / 640
Estimated T-Level: 26.3
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-08Oliver Kruse99FAE5DE4382CF0D2013
Verified (Factored)2017-11-18kkmrkkblmbrbk99FAE5DE4382CF0D2109613513
Verified2024-10-04Naegi MakotoD9443A7380FBA21434111353
History
DateUserTypeResult
2024-10-04StephenCLippCERT
PRP Certification
Proof certified good
2024-10-04Naegi MakotoC-PRP
M2133407/704399789633/83809180992916607/106485801168236765071183 : D9443A7380FBA214
PRP proof power = 7
PRP: Verified
Proof certified good
2024-10-04TJAOIF-ECM
Factor: 106485801168236765071183 / (ECM curve 4, B1=250000, B2=251325195, Edwards Sigma=8829332205458360)
2017-11-18kkmrkkblmbrbkC-PRP
M2133407/704399789633/83809180992916607 : 99FAE5DE4382CF0D
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-08Oliver KruseC-PRP
M2133407/704399789633/83809180992916607 : 99FAE5DE4382CF0D
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-21alpertronNF-PM1
B1=500000, B2=15000000, E=12
2015-03-18TJAOIF
Factor: 83809180992916607 / TF: 56-57