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
199799Factored
FactorDigitsBitsDate
19580303824.2old
1624266490885575418765681027382332103.72022-07-16 09:57:46
ECM
DigitsB1Curves
2550000280 / 280
30250000603 / 640
Estimated T-Level: 29.7 ⓘ
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseB5B9AC74BD692A811013
Verified (Factored)2017-10-12kkmrkkblmbrbkB5B9AC74BD692A81115398913
Verified (Factored)2020-04-17Oliver KruseFB56F567C1B8555F19988353
Verified2022-07-16mnd9FB56F567C1B8555F215842653
Verified2022-07-18_p95holder_FB56F567C1B8555F211045253
Verified2023-08-24USAFSSFB56F567C1B8555F24552453
History
DateUserTypeResult
2023-08-24Sudhindra.PraneshCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M199799/19580303/16242664908855754187656810273823 : FB56F567C1B8555F
PRP proof power = 5
PRP: Verified
Proof certified good
2022-07-18_p95holder_C-PRP
M199799/19580303/16242664908855754187656810273823 : FB56F567C1B8555F
PRP: Verified
PRP without proof (small exponent)
2022-07-16mnd9C-PRP
M199799/19580303/16242664908855754187656810273823 : FB56F567C1B8555F
PRP proof power = 5
PRP: Verified
PRP proof never uploaded
2022-07-16_p95holder_F-ECM
Factor: 16242664908855754187656810273823 / (ECM curve 6, B1=250000, B2=25000000)
2020-04-17Oliver KruseC-PRP
M199799/19580303 : FB56F567C1B8555F
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2017-10-12kkmrkkblmbrbkC-PRP
M199799/19580303 : B5B9AC74BD692A81
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M199799/19580303 : B5B9AC74BD692A81
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M199799/19580303 : B5B9AC74BD692A81
PRP without proof (not generated)