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
2449859Factored
FactorDigitsBitsDate
2093748524700791547.6old
ECM
DigitsB1Curves
255000082 / 280
Estimated T-Level: 21.5
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-13Oliver KruseD79807C89B478FFB1109624653
Verified2017-11-28kkmrkkblmbrbkD79807C89B478FFB1159759653
History
DateUserTypeResult
2019-02-05JossNF-PM1
B1=1000000
2018-09-28alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-28kkmrkkblmbrbkC-PRP
M2449859/209374852470079 : D79807C89B478FFB
PRP: Verified
PRP without proof (not generated)
2017-10-13Oliver KruseC-PRP
M2449859/209374852470079 : D79807C89B478FFB
PRP: Verified
PRP without proof (not generated)