Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
8167Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
3136129721.6old
76835137826.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000006537 / 9201
Estimated T-Level: 43.6
TF below 2^140 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse8EF911BF118CDCF02013
Verified2017-10-12kkmrkkblmbrbk8EF911BF118CDCF02311213
Verified2020-04-17Oliver KruseDE3DED4E3F5867632143753
Verified2024-07-01kkmrkkblmbrbkDE3DED4E3F5867632344853
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M8167/3136129/76835137 : DE3DED4E3F586763
PRP: Verified
PRP without proof (small exponent)
2023-06-03JacobZNF-PM1
B1=72000000000, B2=300970872589336950
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M8167/3136129/76835137 : DE3DED4E3F586763
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M8167/3136129/76835137 : 8EF911BF118CDCF0
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8167/3136129/76835137 : 8EF911BF118CDCF0
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8167/3136129/76835137 : 8EF911BF118CDCF0
PRP without proof (not generated)