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
2947949Factored
FactorDigitsBitsDate
10504072917831339.9old
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
Verified2017-10-25Oliver Kruse6475D70F82D55ABD1204398053
Verified2017-12-09kkmrkkblmbrbk6475D70F82D55ABD1222447153
History
DateUserTypeResult
2022-12-04USAFSSNF-PM1
B1=320000, B2=243437040
2017-12-09kkmrkkblmbrbkC-PRP
M2947949/1050407291783 : 6475D70F82D55ABD
PRP: Verified
PRP without proof (not generated)
2017-10-25Oliver KruseC-PRP
M2947949/1050407291783 : 6475D70F82D55ABD
PRP: Verified
PRP without proof (not generated)