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
8039Factored
FactorDigitsBitsDate
968554799929.9old
119084118711133.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000006358 / 9201
Estimated T-Level: 43.5
TF below 2^139 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse7A4E90C816C322FC2013
Verified2017-10-12kkmrkkblmbrbk7A4E90C816C322FC2409613
Unverified2020-04-17Oliver Kruse88AED86B5C6CD3__2759353
History
DateUserTypeResult
2023-05-29JacobZNF-PM1
B1=73000000000, B2=299074993103236350
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M8039/968554799/11908411871 : 88AED86B5C6CD3__
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M8039/968554799/11908411871 : 7A4E90C816C322FC
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8039/968554799/11908411871 : 7A4E90C816C322FC
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8039/968554799/11908411871 : 7A4E90C816C322FC
PRP without proof (not generated)