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

PrimeNet Exponent Status

Exponent Range:





MnDetails
5067079
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
108538672389053598412063.22009-08-12 13:07:03
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
Factored1998-06-07Takahiro Shakushi93B4EEA1AE13C4250Windows,Prime95,v16,NT service,(aka WS5)
Factored2000-05-17Grey Smith93B4EEA1AE13C4254860802Windows,Prime95,v19,(aka WV1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbk00D3C9F4561C5D3A1013
Verified
PRP without proof (not generated)
2018-04-29storm551000D3C9F4561C5D3A1306603513
History
DateUserTypeResult
2025-02-03Sid & AndyNF-PM1B1=5100000, B2=7366797900
2025-01-16Sid & AndyNFno factor TF: 68-70
2023-04-15Kevin_9611NF-PM1B1=330000, B2=178871550
2018-04-29storm5510C-PRPM5067079/10853867238905359841 : 00D3C9F4561C5D3A
2017-09-20kkmrkkblmbrbkC-PRPM5067079/10853867238905359841 : 00D3C9F4561C5D3A
2009-08-12USAFSSFFactor: 10853867238905359841
2009-08-08GrunwalderGIMPNFno factor TF: 1-63
2008-12-29Sturle SundeNFno factor TF: 61-62
2000-05-17Grey SmithC-LL93B4EEA1AE13C425
1998-06-07-anonymous-C-LL93B4EEA1AE13C425
1998-05-16-anonymous-NFno factor TF: 1-61