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
169049Factored
FactorDigitsBitsDate
682425510275570852472065.92007-09-08 06:05:45
ECM
DigitsB1Curves
2550000280 / 280
30250000628 / 640
Estimated T-Level: 29.9
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse353C1E70BA7415501013
Verified2017-10-12kkmrkkblmbrbk353C1E70BA74155019911113
Verified2020-04-17Oliver Kruse18D793B16B64AF97115913053
Verified2024-02-03Wentao Huang18D793B16B64AF9719562553
History
DateUserTypeResult
2024-02-03slaurCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M169049/68242551027557085247 : 18D793B16B64AF97
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
M169049/68242551027557085247 : 18D793B16B64AF97
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M169049/68242551027557085247 : 353C1E70BA741550
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M169049/68242551027557085247 : 353C1E70BA741550
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M169049/68242551027557085247 : 353C1E70BA741550
PRP without proof (not generated)
2017-06-01kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2007-09-08Chad DavisF-ECM
Factor: 68242551027557085247