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
8189309Factored
FactorDigitsBitsDate
838619435562966016072066.22009-06-18 17:42:19
LL
StatusDateUserResidueShift
Verified (Factored)1999-09-22Andre Brosda689C9FA586707C5E2323151
Verified (Factored)2003-02-27Liu Bin689C9FA586707C5E8183229
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-09-12Oliver KruseD8C87A8BFC7AB910186613553
Verified2020-03-02marssystemsD8C87A8BFC7AB9101773392353
History
DateUserTypeResult
2022-09-25JayderF
Factor: 83861943556296601607 / TF: 66-67
2022-09-25JayderNF
no factor from 2^65 to 2^66
2022-09-25JayderNF
no factor from 2^64 to 2^65
2022-09-25JayderNF
no factor from 2^63 to 2^64
2022-09-25LordJuliusNF
no factor from 2^65 to 2^66
2022-09-25LordJuliusNF
no factor from 2^64 to 2^65
2022-09-25LordJuliusNF
no factor from 2^1 to 2^64
2022-09-22FlaukrotistNF
no factor from 2^67 to 2^68
2020-03-02marssystemsC-PRP
M8189309/83861943556296601607 : D8C87A8BFC7AB910
PRP: Verified
PRP without proof (not generated)
2018-09-12Oliver KruseC-PRP
M8189309/83861943556296601607 : D8C87A8BFC7AB910
PRP: Verified
PRP without proof (not generated)
2009-06-18Carsten KossendeyF-PM1
Factor: 83861943556296601607