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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
202403Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
42293709881771341.9old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000204 / 1566
Estimated T-Level: 30.7
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse49B967BAB7AFB3661013
Verified2017-10-12kkmrkkblmbrbk49B967BAB7AFB366113884013
Verified2020-04-17Oliver KruseC6A8639FD760DF6B13670253
Verified2023-08-03USAFSSC6A8639FD760DF6B17718353
History
DateUserTypeResult
2023-08-04HRRCERT
PRP Certification
Proof certified good
2023-08-03USAFSSC-PRP
M202403/4229370988177 : C6A8639FD760DF6B
PRP proof power = 5
PRP: Verified
Proof certified good
2022-02-05Oliver KruseNF-PM1
B1=30000000, B2=10264076402580
2021-05-03Oliver KruseNF-PM1
B1=30000000, B2=3000000000
2020-04-17Oliver KruseC-PRP
M202403/4229370988177 : C6A8639FD760DF6B
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M202403/4229370988177 : 49B967BAB7AFB366
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M202403/4229370988177 : 49B967BAB7AFB366
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M202403/4229370988177 : 49B967BAB7AFB366
PRP without proof (not generated)