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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MnStatusDetails
4670509Factored
FactorDigitsBitsDate
3917821352422331548.5old
767938056078208110362232376.02019-03-22 12:24:37
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0
TF below 2^61 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-20kkmrkkblmbrbkA6C6019E5A3BD9DA1013
Verified (Factored)2018-03-05ATHA6C6019E5A3BD9DA1272787713
Verified2019-03-23artorollo43DDC47B32352ADB22092653
Verified2019-03-24kkmrkkblmbrbk43DDC47B32352ADB2105641153
History
DateUserTypeResult
2023-08-26USAFSSNF-PM1
B1=240000, B2=91991760
2019-03-24kkmrkkblmbrbkC-PRP
M4670509/391782135242233/76793805607820811036223 : 43DDC47B32352ADB
PRP: Verified
PRP without proof (not generated)
2019-03-23artorolloC-PRP
M4670509/391782135242233/76793805607820811036223 : 43DDC47B32352ADB
PRP: Verified
PRP without proof (not generated)
2019-03-22ATHF-ECM
Factor: 76793805607820811036223 / (ECM curve 1, B1=50000, B2=5000000, Sigma=2340763681614021)
2018-03-05ATHC-PRP
M4670509/391782135242233 : A6C6019E5A3BD9DA
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M4670509/391782135242233 : A6C6019E5A3BD9DA
PRP: Verified
PRP without proof (not generated)