Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
129786887Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5551409804423571401945112478.92024-03-14 08:08:25
P-1 factors
DateFactorB1B2
2024-03-14555140980442357140194511831000831000
History
DateUserTypeResult
2024-08-11Jarod McClintockNF
no factor from 2^68 to 2^69
2024-05-06GregNF
no factor from 2^71 to 2^72
2024-03-14FrGoIsF-PM1
Factor: 555140980442357140194511 / (P-1, B1=831000)
2023-05-30TravisJankNF
no factor from 2^76 to 2^77
2023-05-30TravisJankNF
no factor from 2^75 to 2^76
2022-12-26SRBaseNF
no factor from 2^74 to 2^75
2020-12-24ViliamFNF
no factor from 2^73 to 2^74
2020-10-20SRBaseNF
no factor from 2^72 to 2^73
2016-11-11Josh FamestadNF
no factor from 2^71 to 2^72
2016-10-22proxy2222NF
no factor from 2^70 to 2^71
2016-10-01proxy2222NF
no factor from 2^69 to 2^70
2016-05-03DerekNF
no factor from 2^68 to 2^69
2016-03-10proxy2222NF
no factor from 2^67 to 2^68
2015-01-16tscNF
no factor from 2^66 to 2^67
2012-10-07nextPrimeNF
no factor from 2^65 to 2^66
2010-11-11Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-31Torchwood InstituteNF
no factor from 2^63 to 2^64