is 2 67097413 - 1
has 20198334 decimal digits
takes 169.607 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2717.125163.3803%725000161312505.73395.6047%12.859065.4327%2.0524%
PrimeNet2703.561262.8571%280000130000003.56645.3198%7.127664.8331%1.9759%
GPU7227457.019664.8649%450000150000004.55493.9291%61.574566.2454%1.3805%
Difference-3-49.8944-1.4846%+275000+1131250+1.1789+1.6756%-48.7155-0.8127%-0.8127%

Known prime factors (1 factor, 79.8 bits, 0.00011887% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6709741310220763661717467808621932579.7587616361946560792
23 × 3 × 857 × 93287 × 3969487
2013-08-299328739694872,327.11.11601.4805

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-08-29T17:20:00Jwb52zClay725000161312502579.7585.734339.211.475.605%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-11T07:41:00Wojciech FlorekManual testing263264--0.029--
2010-02-26T09:40:00ANONYMOUSGreen-750264265--0.056--
2010-03-08T15:46:00SAHS Tech Deptcad7265266--0.111--
2010-03-11T17:47:00ANONYMOUS266267--0.223--
2010-03-15T21:00:00ANONYMOUS267268--0.445--
2010-03-18T08:37:00WorknPlayWnP_E6600-1268269--0.891--
2012-02-16T07:43:00YoannYoannAsus269270--1.782--
2012-07-11T21:01:00aaron_bertramManual testing270271--3.564--


ECM factoring results:
No ECM results for M67097413


Lucas-Lehmer results:
No L-L results for M67097413


PRP results:
No PRP results for M67097413


P-1 factor-bounds graph:
B1 = 725000, B2 = 16131250 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
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264
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2100
Last modified: 2013-08-29T17:20:06+00:00