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
1932439Factored
FactorDigitsBitsDate
227753945904101128312064.32009-08-07 16:27:56
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.
LL
StatusDateUserResidueShift
Verified (Factored)Andre NouwsB16E0C51BC7264A80
Verified (Factored)1999-01-10Kent LeeB16E0C51BC7264A81739312
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-05Oliver KruseED44857A5EE7192C1013
Verified2017-11-10kkmrkkblmbrbkED44857A5EE7192C154703013
History
DateUserTypeResult
2017-11-10kkmrkkblmbrbkC-PRP
M1932439/22775394590410112831 : ED44857A5EE7192C
PRP: Verified
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1932439/22775394590410112831 : ED44857A5EE7192C
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2009-08-07SubPrimeF-ECM
Factor: 22775394590410112831