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
1066297Factored
FactorDigitsBitsDate
1072524174491236.6old
317567667786858337768189157656931101.32020-04-27 10:14:47
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-28Oliver Kruse2A9A2A1C3A2570A81013
Verified (Factored)2017-10-16Oliver Kruse2A9A2A1C3A2570A8110332413
Verified (Factored)2017-12-31ATH2A9A2A1C3A2570A8168025613
Verified2020-04-27M MillerFF892178682FFD6F215162253
Verified2020-04-28RuzovejFF892178682FFD6F296932553
History
DateUserTypeResult
2021-09-01ViliamFNF-PM1
B1=10000000, B2=1110000000
2020-04-28RuzovejC-PRP
M1066297/107252417449/3175676677868583377681891576569 : FF892178682FFD6F
PRP: Verified
PRP without proof (not generated)
2020-04-27M MillerC-PRP
M1066297/107252417449/3175676677868583377681891576569 : FF892178682FFD6F
PRP: Verified
PRP without proof (not generated)
2020-04-27TJAOIF-ECM
Factor: 3175676677868583377681891576569 / (ECM curve 33, B1=250000, B2=25000000)
2017-12-31ATHC-PRP
M1066297/107252417449 : 2A9A2A1C3A2570A8
PRP: Verified
PRP without proof (not generated)
2017-10-16Oliver KruseC-PRP
M1066297/107252417449 : 2A9A2A1C3A2570A8
PRP: Verified
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M1066297/107252417449 : 2A9A2A1C3A2570A8
PRP: Verified
PRP without proof (not generated)