Marin Mersenne 2^P-1
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MnStatusDetails
289859Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
80140216331032.9old
43882112096011431652.02014-07-17 11:52:41
3592511290065496731858.32015-01-23 13:31:23
ECM
DigitsB1Curves
2550000280 / 280
30250000530 / 640
Estimated T-Level: 29.1
TF below 2^92 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse6CBB6F8E91977A7D3013
Verified2017-10-12Oliver Kruse6CBB6F8E91977A7D38828013
Verified2017-11-06kkmrkkblmbrbk6CBB6F8E91977A7D311057113
Verified2020-04-17Oliver KruseE5E1AE0445787F51325609453
Verified2024-08-15kkmrkkblmbrbkE5E1AE0445787F5132730553
History
DateUserTypeResult
2024-11-18yuriy5-1NF-PM1
B1=26667028, B2=6537512951970
2024-08-15Luke DurantCERT
PRP Certification
Proof certified good
2024-08-15kkmrkkblmbrbkC-PRP
M289859/8014021633/4388211209601143/359251129006549673 : E5E1AE0445787F51
PRP proof power = 5
PRP: Verified
Proof certified good
2023-03-20Naegi MakotoNF-PM1
B1=2000000, B2=69052933950
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-17Oliver KruseC-PRP
M289859/8014021633/4388211209601143/359251129006549673 : E5E1AE0445787F51
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M289859/8014021633/4388211209601143/359251129006549673 : 6CBB6F8E91977A7D
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M289859/8014021633/4388211209601143/359251129006549673 : 6CBB6F8E91977A7D
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M289859/known_factors : 6CBB6F8E91977A7D
PRP without proof (not generated)
2015-01-23TJAOIF-ECM
Factor: 359251129006549673 / (ECM curve 5, B1=50000, B2=5000000)
2014-07-17TJAOIF
Factor: 4388211209601143