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
1150603Factored
FactorDigitsBitsDate
121342592391133.5old
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
Verified2017-09-29Oliver Kruse522F7F44CB208B351013
Verified2017-10-17Oliver Kruse522F7F44CB208B35113170413
Verified2018-01-02ATH522F7F44CB208B35119100313
History
DateUserTypeResult
2018-01-02ATHC-PRP
M1150603/12134259239 : 522F7F44CB208B35
PRP: Verified
PRP without proof (not generated)
2017-10-17Oliver KruseC-PRP
M1150603/12134259239 : 522F7F44CB208B35
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1150603/12134259239 : 522F7F44CB208B35
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12