is 2 67119197 - 1
has 20204892 decimal digits
takes 169.662 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
Actual2717.122861.9718%725000161312505.73395.6049%12.856764.1033%2.1314%
PrimeNet2703.560161.4286%280000130000003.56645.3201%7.126563.4806%2.0520%
GPU7227457.001163.5135%450000150000004.55493.9293%61.556064.9472%1.4336%
Difference-3-49.8782-1.5417%+275000+1131250+1.1789+1.6756%-48.6993-0.8439%-0.8439%

Known prime factors (1 factor, 75.0 bits, 0.00011167% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
67119197365740091627706962211772374.953272455652015404
22 × 11 × 13 × 109 × 2251 × 1941323
2013-09-0322511941323103.690.39550.7241

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-09-03T04:49:00Jwb52zClay725000161312502374.9535.734339.311.475.605%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-11T07:42:00Wojciech FlorekManual testing263264--0.029--
2010-01-02T06:33:00arnaudSRV-140264265--0.056--
2010-05-07T19:41:00Jean-Paul Davalanhaie265266--0.111--
2010-05-12T07:04:00Jean-Paul Davalanhaie266267--0.223--
2010-05-17T09:36:00Jean-Paul Davalanhaie267268--0.445--
2010-05-17T23:08:00JMGarciaefernandez268269--0.891--
2012-03-13T04:15:00Matt EsserManual testing269270--1.781--
2013-06-27T23:42:00SMoffatManual testing270271--3.563--


ECM factoring results:
No ECM results for M67119197


Lucas-Lehmer results:
No L-L results for M67119197


PRP results:
No PRP results for M67119197


P-1 factor-bounds graph:
B1 = 725000, B2 = 16131250 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
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TF factor-bounds graph:
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2100
Last modified: 2013-09-03T04:49:10+00:00