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
1319389Factored
FactorDigitsBitsDate
92357231826.5old
84100256147991342.92008-07-15 09:58:09
203669297588242057355532374.12015-01-21 10:56:05
108534161822151136296089157912993.12018-06-08 13:20:02
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 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)2017-10-05Oliver KruseB9B7E098470AE1B23013
Verified (Factored)2017-10-22noknoB9B7E098470AE1B21013
Verified (Factored)2017-11-04kkmrkkblmbrbkB9B7E098470AE1B2339573513
Verified2018-06-10Daniil Tsarkov23158CD3734E0C7D4124509753
Verified2018-06-15Gabriel Lignelli23158CD3734E0C7D476361753
P-1 factors
DateFactorB1B2
2015-01-212036692975882420573555350000015000000
History
DateUserTypeResult
2018-06-15Gabriel LignelliC-PRP
M1319389/92357231/8410025614799/20366929758824205735553/10853416182215113629608915791 : 23158CD3734E0C7D
PRP: Verified
PRP without proof (not generated)
2018-06-10Daniil TsarkovC-PRP
M1319389/92357231/8410025614799/20366929758824205735553/10853416182215113629608915791 : 23158CD3734E0C7D
PRP: Verified
PRP without proof (not generated)
2018-06-08TJAOIF-ECM
Factor: 10853416182215113629608915791 / (ECM curve 160, B1=50000, B2=5000000)
2017-11-04kkmrkkblmbrbkC-PRP
M1319389/92357231/8410025614799/20366929758824205735553 : B9B7E098470AE1B2
PRP: Verified
PRP without proof (not generated)
2017-10-22noknoC-PRP
M1319389/known_factors : B9B7E098470AE1B2
PRP: Verified
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1319389/92357231/8410025614799/20366929758824205735553 : B9B7E098470AE1B2
PRP: Verified
PRP without proof (not generated)
2017-09-30Oliver KruseC-PRP
M1319389/92357231/8410025614799/20366929758824205735553 : B9B7E098470AE1B2
PRP without proof (not generated)
2015-01-21alpertronF-PM1
Factor: 20366929758824205735553 / (P-1, B1=500000, B2=15000000, E=12)
2008-07-15J FeitsmaF
Factor: 8410025614799