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
384619Factored
FactorDigitsBitsDate
2101127125979953440792167.52007-08-30 05:10:45
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6 ⓘ
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-23Oliver KruseF8C2F98D51BB71F11013
Verified2017-11-02kkmrkkblmbrbkF8C2F98D51BB71F119799213
Unverified (Reliable)2020-04-18Oliver KruseC7139CBBC1EB2F__12069953
History
DateUserTypeResult
2024-02-18Denial140NF-PM1
B1=1000000, B2=3024990150
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-18Oliver KruseC-PRP
M384619/210112712597995344079 : C7139CBBC1EB2F__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-11-02kkmrkkblmbrbkC-PRP
M384619/210112712597995344079 : F8C2F98D51BB71F1
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M384619/210112712597995344079 : F8C2F98D51BB71F1
PRP: Unverified (Reliable)
PRP without proof (not generated)
2007-08-30Chad DavisF-ECM
Factor: 210112712597995344079