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

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MnStatusDetails
367397Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2204383721.1old
2939177721.52008-07-21 09:17:51
8338449608658144538052035900437208135116.02024-07-19 00:00:28
ECM
DigitsB1Curves
2550000280 / 280
30250000584 / 640
Estimated T-Level: 29.6
TF below 2^93 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-23Oliver KruseC968BF3F8573708E2013
Verified (Factored)2017-09-24Oliver KruseC968BF3F8573708E2013
Verified (Factored)2017-11-07kkmrkkblmbrbkC968BF3F8573708E233350513
Verified (Factored)2020-04-18Oliver Kruse6F5B0DAEB5A5EEEE228256353
Verified2024-07-19Oliver Kruse6F5B0DAEB5A5EEEE331722853
History
DateUserTypeResult
2024-07-19Tercariol, C. A. S.CERT
PRP Certification
Proof certified good
2024-07-19Oliver KruseC-PRP
M367397/2204383/2939177/83384496086581445380520359004372081 : 6F5B0DAEB5A5EEEE
PRP proof power = 5
PRP: Verified
Proof certified good
2024-07-19Oliver KruseF-ECM
Factor: 83384496086581445380520359004372081 / (ECM curve 9, B1=435188, B2=821576910, Edwards Sigma=4850912923804582)
2024-06-02yuriy_5-1NF-PM1
B1=10000000, B2=222067525680
2024-02-17Denial140NF-PM1
B1=1000000, B2=8403510570
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M367397/2204383/2939177 : 6F5B0DAEB5A5EEEE
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-07kkmrkkblmbrbkC-PRP
M367397/2204383/2939177 : C968BF3F8573708E
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-24Oliver KruseC-PRP
M367397/2204383/2939177 : C968BF3F8573708E
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-23Oliver KruseC-PRP
M367397/2204383/2939177 : C968BF3F8573708E
PRP: Verified (Factored)
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 2939177