Marin Mersenne 2^P-1
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MnStatusDetails
361919Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
723839619.5old
2896106224292175591858.02014-10-10 12:42:22
17817243470167064471960.62014-10-10 12:42:22
ECM
DigitsB1Curves
2550000280 / 280
30250000378 / 640
Estimated T-Level: 28.0
TF below 2^88 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver Kruse7B1EBC14907A72303013
Verified2017-10-13Oliver Kruse7B1EBC14907A7230310292013
Verified2017-12-15ATH7B1EBC14907A7230311774213
Verified2020-04-18Oliver KruseB3D70B258B5546A2327314353
Verified (Factored)2022-05-12Jorge CoveiroB3D70B258B5546A2134102053
Verified2024-07-17kkmrkkblmbrbkB3D70B258B5546A2311653253
History
DateUserTypeResult
2024-07-17LOBESCERT
PRP Certification
Proof certified good
2024-07-17kkmrkkblmbrbkC-PRP
M361919/1781724347016706447/289610622429217559/723839 : B3D70B258B5546A2
PRP proof power = 5
PRP: Verified
Proof certified good
2024-05-25yuriy_5-1NF-PM1
B1=2000004, B2=116000604720
2024-02-15Denial140NF-PM1
B1=1000000, B2=4478792010
2022-05-12Jorge CoveiroC-PRP
M361919/723839 : B3D70B258B5546A2
PRP proof power = 5
PRP: Verified (Factored)
PRP proof never uploaded
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M361919/723839/289610622429217559/1781724347016706447 : B3D70B258B5546A2
PRP: Verified
PRP without proof (small exponent)
2017-12-15ATHC-PRP
M361919/723839/289610622429217559/1781724347016706447 : 7B1EBC14907A7230
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M361919/723839/1781724347016706447/289610622429217559 : 7B1EBC14907A7230
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M361919/known_factors : 7B1EBC14907A7230
PRP without proof (not generated)
2014-10-10TJAOIF-ECM
Factor: 289610622429217559
2014-10-10TJAOIF-ECM
Factor: 1781724347016706447