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
2630839Factored
FactorDigitsBitsDate
8365857552891239.6old
412034517730105727112065.22018-07-03 09:38:02
50057624739878456260369692582.02019-03-15 13:27:35
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
Verified (Factored)2017-10-17Oliver KruseC99EA9BC273245D81140663753
Verified (Factored)2017-12-03kkmrkkblmbrbkC99EA9BC273245D81107923353
Verified (Factored)2018-07-03_p95holder_C99EA9BC273245D8296276753
Verified2019-03-16Chang Chia-TcheC99EA9BC273245D83246457153
P-1 factors
DateFactorB1B2
2019-03-155005762473987845626036969200000060000000
History
DateUserTypeResult
2019-03-16Chang Chia-TcheC-PRP
M2630839/836585755289/41203451773010572711/5005762473987845626036969 : C99EA9BC273245D8
PRP: Verified
PRP without proof (not generated)
2019-03-15alpertronF-PM1
Factor: 5005762473987845626036969 / (P-1, B1=2000000, B2=60000000, E=12)
2018-07-03_p95holder_C-PRP
M2630839/836585755289/41203451773010572711 : C99EA9BC273245D8
PRP: Verified
PRP without proof (not generated)
2018-07-03TJAOIF
Factor: 41203451773010572711 / TF: 65-66
2017-12-03kkmrkkblmbrbkC-PRP
M2630839/836585755289 : C99EA9BC273245D8
PRP: Verified
PRP without proof (not generated)
2017-10-17Oliver KruseC-PRP
M2630839/836585755289 : C99EA9BC273245D8
PRP: Verified
PRP without proof (not generated)