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Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
486323Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
85592849826.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-26Oliver Kruse5F019252CD96DF251013
Verified2017-09-27Oliver Kruse5F019252CD96DF251013
Verified2017-11-09kkmrkkblmbrbk5F019252CD96DF25148554413
Verified2020-04-18Oliver Kruse6D2BE4AEB8C2467E137969053
Verified2024-11-27kkmrkkblmbrbk6D2BE4AEB8C2467E126657553
History
DateUserTypeResult
2024-11-27ikeCERT
PRP Certification
Proof certified good
2024-11-27kkmrkkblmbrbkC-PRP
M486323/85592849 : 6D2BE4AEB8C2467E
PRP proof power = 6
PRP: Verified
Proof certified good
2024-08-22cramsey87NF-PM1
B1=7000000, B2=42834594660
2020-04-18Oliver KruseC-PRP
M486323/85592849 : 6D2BE4AEB8C2467E
PRP: Verified
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M486323/85592849 : 5F019252CD96DF25
PRP: Verified
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M486323/85592849 : 5F019252CD96DF25
PRP: Verified
PRP without proof (not generated)
2017-09-26Oliver KruseC-PRP
M486323/85592849 : 5F019252CD96DF25
PRP: Verified
PRP without proof (not generated)