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
2667383Factored
FactorDigitsBitsDate
469459409928.8old
106962058311133.32008-09-07 19:40:48
6048824429111239.12008-09-30 14:37:29
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
Verified2017-10-18Oliver KruseFA9BB9FB23CA024C3243164953
Verified2017-12-03Chang Chia-TcheFA9BB9FB23CA024C3131767653
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-12-03Chang Chia-TcheC-PRP
M2667383/469459409/10696205831/604882442911 : FA9BB9FB23CA024C
PRP: Verified
PRP without proof (not generated)
2017-10-18Oliver KruseC-PRP
M2667383/469459409/10696205831/604882442911 : FA9BB9FB23CA024C
PRP: Verified
PRP without proof (not generated)
2008-09-30markrF
Factor: 604882442911
2008-09-07Will EdgingtonF
Factor: 10696205831