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
632147Factored
FactorDigitsBitsDate
561516566520001937592065.62007-10-26 13:49:40
ECM
DigitsB1Curves
2550000280 / 280
30250000214 / 640
Estimated T-Level: 26.7
TF below 2^84 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-27Oliver Kruse3D6E6E87C51B1AED1013
Verified2017-09-28Oliver Kruse3D6E6E87C51B1AED1013
Verified2017-11-09kkmrkkblmbrbk3D6E6E87C51B1AED139067213
Unverified (Reliable)2020-04-19Oliver Kruse50B235BD945C53__18953753
History
DateUserTypeResult
2023-01-15USAFSSNF-PM1
B1=2000000, B2=6199753560
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-19Oliver KruseC-PRP
M632147/56151656652000193759 : 50B235BD945C53__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M632147/56151656652000193759 : 3D6E6E87C51B1AED
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M632147/56151656652000193759 : 3D6E6E87C51B1AED
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M632147/56151656652000193759 : 3D6E6E87C51B1AED
PRP: Unverified (Reliable)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=1000000, B2=30000000, E=12
2007-10-26James HeinrichF-ECM
Factor: 56151656652000193759