is 2 67051583 - 1
has 20184538 decimal digits
takes 169.492 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2717.130063.3803%----7.130063.3803%0.5231%
PrimeNet2703.563762.8571%280000130000003.56645.3194%7.130168.1765%5.3194%
GPU7227457.058564.8649%450000150000004.55493.9288%61.613568.7936%3.9288%
Difference-3-49.9285-1.4846%-450000-15000000-4.5549-3.9288%-54.4835-5.4133%-5.4133%

Known prime factors (1 factor, 71.5 bits, 0.00010668% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
6705158334145129657864487914572271.53225461837088816
24 × 83 × 107 × 1759 × 101869
17591018692013-08-237.80310.02640.0380

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-08-23T03:33:00Ge yongManual testing2271.532-339.0-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-11T07:40:00Wojciech FlorekManual testing?264--0.029--
2009-12-27T21:24:00curtiscJCKL-ccj07L264265--0.056--
2010-01-02T06:07:00Lars Nordmeyerkubuntu265266--0.111--
2010-01-02T19:13:00Sturle Sundenardi.ifi266267--0.223--
2010-03-15T00:35:00ddboy3ibm3267268--0.446--
2010-03-15T18:27:00Gnorfe_k_kontor268269--0.892--
2012-05-03T20:36:00cnaTb_xo4yWin7269270--1.783--
2012-08-13T14:06:00Clown_RoyalManual testing270271--3.566--


ECM factoring results:
Exponent "67051583" not found


Lucas-Lehmer results:
Exponent "67051583" not found


PRP results:
Exponent "67051583" not found


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2013-08-23T03:33:51+00:00