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:





MnDetails
17245747
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 269
Factored
FactorDigitsBitsDate
32731316295957953620792271.5old
LL
StatusDateUserResidueShiftSoftware
Bad2003-08-25Lawrence Cairns-SmithF3F48E12075959C413910168Windows,Prime95,v22,NT service,(aka WY5)
Factored2006-07-10Willem Siemelink3967E1118A8DD4C712362281Windows,Prime95,v24 final,(aka Wc1)
Factored2015-08-11MadPoo 🙂3967E1118A8DD4C72377299Windows 64-bit,Prime95,v26,(aka We4)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
Certified Good
2024-10-04Luke DurantC0AB6F1BEF04B1DE11711227953
History
DateUserTypeResult
2024-10-04mattashiiCERT
Proof certified good
2024-10-04Luke DurantC-PRPM17245747/3273131629595795362079 : C0AB6F1BEF04B1DE
Proof Certified Good

Proof Power: 8

2024-08-24nordiNF-PM1B1=500000, B2=254324994
2024-05-15nordiNF-PM1B1=500000
2015-08-11MadPoo 🙂C-LL3967E1118A8DD4C7
2007-12-18dswansonF-PM1Factor: 3273131629595795362079
2006-07-10-anonymous-C-LL3967E1118A8DD4C7
2003-08-25lozcsC-LLF3F48E12075959C4
2003-02-24-anonymous-NF-PM1B1=275000, B2=275000
2001-08-24HatchNFno factor TF: 1-65
2001-08-18-anonymous-NFno factor TF: 1-64
2001-04-01Net_ForceNFno factor TF: 1-59
2001-02-18Net_ForceNFno factor TF: 1-58