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
2898559Factored
FactorDigitsBitsDate
9799680151931239.8old
43616771932271766542332271.92023-01-29 06:49:58
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-24Oliver KruseA9DD8E12A385922E1201470853
Verified (Factored)2017-12-08kkmrkkblmbrbkA9DD8E12A385922E165786653
Verified2023-01-31LordJuliusA9DD8E12A385922E2234402753
P-1 factors
DateFactorB1B2
2023-01-29436167719322717665423372000281496600
2023-02-024361677193227176654233360000282695490
History
DateUserTypeResult
2023-02-02USAFSSF-PM1
Factor: 4361677193227176654233 / (P-1, B1=360000, B2=282695490)
2023-01-31curtiscCERT
PRP Certification
Proof certified good
2023-01-31LordJuliusC-PRP
M2898559/979968015193/4361677193227176654233 : A9DD8E12A385922E
PRP proof power = 7
PRP: Verified
Proof certified good
2023-01-29Lisander ViaeneF-PM1
Factor: 4361677193227176654233 / (P-1, B1=72000, B2=281496600)
2017-12-08kkmrkkblmbrbkC-PRP
M2898559/979968015193 : A9DD8E12A385922E
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-24Oliver KruseC-PRP
M2898559/979968015193 : A9DD8E12A385922E
PRP: Verified (Factored)
PRP without proof (not generated)