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
1750607Factored
FactorDigitsBitsDate
2541064320700971547.9old
1066336937097181408972166.52018-03-19 08:21:42
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 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)2017-10-03Oliver Kruse2672C808B9BEA0671013
Verified (Factored)2017-11-03Chang Chia-Tche2672C808B9BEA067189829413
Verified2018-03-22Jack Rhys-Burgess8231162A742E2D972167591953
Verified2018-03-27kracker8231162A742E2D97213124353
History
DateUserTypeResult
2018-03-27krackerC-PRP
M1750607/254106432070097/106633693709718140897 : 8231162A742E2D97
PRP: Verified
PRP without proof (not generated)
2018-03-22Jack Rhys-BurgessC-PRP
M1750607/254106432070097/106633693709718140897 : 8231162A742E2D97
PRP: Verified
PRP without proof (not generated)
2018-03-19ATHF-ECM
Factor: 106633693709718140897 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-03Chang Chia-TcheC-PRP
M1750607/254106432070097 : 2672C808B9BEA067
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1750607/254106432070097 : 2672C808B9BEA067
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12