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
166667Factored
FactorDigitsBitsDate
1131107148925986765772166.62007-09-20 21:05:43
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000160 / 1566
Estimated T-Level: 30.5
TF below 2^96 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse6EAF40EDA33903B11013
Verified2017-10-12kkmrkkblmbrbk6EAF40EDA33903B116651613
Verified2020-04-17Oliver KruseC13ED05EE383CAA1111675553
Verified2024-02-03Wentao HuangC13ED05EE383CAA1113666453
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M166667/113110714892598676577 : C13ED05EE383CAA1
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-17Oliver KruseC-PRP
M166667/113110714892598676577 : C13ED05EE383CAA1
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M166667/113110714892598676577 : 6EAF40EDA33903B1
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M166667/113110714892598676577 : 6EAF40EDA33903B1
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M166667/113110714892598676577 : 6EAF40EDA33903B1
PRP without proof (not generated)
2017-05-01kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2007-09-20Chad DavisF-ECM
Factor: 113110714892598676577