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
4096517Factored
FactorDigitsBitsDate
112080705131133.4old
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-15nokno7CF01DBD1F7A911A1013
Verified2017-12-22kkmrkkblmbrbk7CF01DBD1F7A911A1314017513
History
DateUserTypeResult
2022-10-15USAFSSNF-PM1
B1=200000, B2=135233670
2017-12-22kkmrkkblmbrbkC-PRP
M4096517/11208070513 : 7CF01DBD1F7A911A
PRP: Verified
PRP without proof (not generated)
2017-11-15noknoC-PRP
M4096517/11208070513 : 7CF01DBD1F7A911A
PRP: Verified
PRP without proof (not generated)