Marin Mersenne 2^P-1
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MnStatusDetails
336593Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
139349503927.1old
120715713531133.52008-07-21 09:17:08
28307532004227380426140727212891.22021-06-07 16:03:42
ECM
DigitsB1Curves
2550000280 / 280
30250000473 / 640
Estimated T-Level: 28.7
TF below 2^90 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-24Oliver Kruse5374BFDCA04F0D6D2013
Verified (Factored)2017-10-13Oliver Kruse5374BFDCA04F0D6D229899013
Verified (Factored)2017-12-12ATH5374BFDCA04F0D6D216042113
Verified (Factored)2020-04-18Oliver KruseD28254584E9B611F29916653
Verified2021-06-07ATHD28254584E9B611F37151253
P-1 factors
DateFactorB1B2
2021-06-072830753200422738042614072721200000001820000000
History
DateUserTypeResult
2021-06-10George WoltmanNF-PP1
Start=2/7, B1=10000000, B2=830000000
2021-06-07curtiscCERT
PRP Certification
Proof certified good
2021-06-07ATHC-PRP
M336593/139349503/12071571353/2830753200422738042614072721 : D28254584E9B611F
PRP proof power = 5
PRP: Verified
Proof certified good
2021-06-07George WoltmanF-PM1
Factor: 2830753200422738042614072721 / (P-1, B1=20000000, B2=1820000000)
2020-04-18Oliver KruseC-PRP
M336593/139349503/12071571353 : D28254584E9B611F
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-12-12ATHC-PRP
M336593/139349503/12071571353 : 5374BFDCA04F0D6D
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M336593/139349503/12071571353 : 5374BFDCA04F0D6D
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-24Oliver KruseC-PRP
M336593/139349503/12071571353 : 5374BFDCA04F0D6D
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M336593/139349503/12071571353 : 5374BFDCA04F0D6D
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 12071571353