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
1086047Factored
FactorDigitsBitsDate
465831513113772357959692375.32012-02-04 12:04:12
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Gerardo CisnerosD0D0
Verified (Factored)Philippe Chessa8E7B2075C4CB0D0D0
Verified (Factored)2002-03-16S574838E7B2075C4CB0D0D505221
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-29Oliver Kruse2DC2C363C0931C111013
Verified2017-10-18kkmrkkblmbrbk2DC2C363C0931C11169960513
History
DateUserTypeResult
2024-03-16cramsey87NF-PM1
B1=8000000, B2=20195017920
2022-04-12LordJuliusNF
no factor from 2^63 to 2^64
2022-04-12LordJuliusNF
no factor from 2^62 to 2^63
2022-04-12LordJuliusNF
no factor from 2^61 to 2^62
2022-04-12LordJuliusNF
no factor from 2^1 to 2^61
2022-03-07LordJuliusNF
no factor from 2^57 to 2^60
2022-03-07firejugglerNF
no factor from 2^57 to 2^60
2017-10-18kkmrkkblmbrbkC-PRP
M1086047/46583151311377235795969 : 2DC2C363C0931C11
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1086047/46583151311377235795969 : 2DC2C363C0931C11
PRP: Verified
PRP without proof (not generated)
2012-02-04bcp19F-PM1
Factor: 46583151311377235795969
2011-12-31bcp19NF-PM1
B1=200000, B2=10000000, E=12
2010-11-17Michael CNF
no factor from 2^61 to 2^62
2009-02-17Sturle SundeNF
no factor from 2^60 to 2^61