Marin Mersenne 2^P-1
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MnStatusDetails
367883Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
352458156491881867432064.92009-10-03 17:26:48
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.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski2B620
Verified (Factored)Michael J. Kilfoyle080B870E55A3AB620
Verified (Factored)Klaus Kastens080B870E55A3AB620
Verified (Factored)Eivind Triel080B870E55A3AB62192000
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver Kruse685DAD60A135A5621013
Verified2017-11-02kkmrkkblmbrbk685DAD60A135A562128534313
Verified2020-04-18Oliver KruseD1BD8A672CC3FB7816802853
Verified2024-09-25kkmrkkblmbrbkD1BD8A672CC3FB78118070353
History
DateUserTypeResult
2024-09-25Luke DurantCERT
PRP Certification
Proof certified good
2024-09-25kkmrkkblmbrbkC-PRP
M367883/35245815649188186743 : D1BD8A672CC3FB78
PRP proof power = 5
PRP: Verified
Proof certified good
2024-06-05yuriy_5-1NF-PM1
B1=10000000, B2=229551392070
2024-02-17Denial140NF-PM1
B1=1000000, B2=8403510570
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M367883/35245815649188186743 : D1BD8A672CC3FB78
PRP: Verified
PRP without proof (small exponent)
2017-11-02kkmrkkblmbrbkC-PRP
M367883/35245815649188186743 : 685DAD60A135A562
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M367883/35245815649188186743 : 685DAD60A135A562
PRP: Verified
PRP without proof (not generated)
2009-10-03Sturle SundeF-ECM
Factor: 35245815649188186743
2009-01-23Sturle SundeNF
no factor from 2^59 to 2^60
2009-01-05Sturle SundeNF
no factor from 2^58 to 2^59