is 261256161-1
has 18,439,942 decimal digits
takes 143.895 GHz-days to do one L-L 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
Actual27331.227064.3836%----31.227064.3836%1.5264%
PrimeNet2703.900862.8571%260,00012,000,0003.06435.1348%6.965167.9920%5.1348%
GPU7227462.456864.8649%400,00013,000,0003.70073.7161%66.157668.5809%3.7161%
Difference-1-31.2299-0.4813%-400,000-13,000,000-3.7007-3.7161%-34.9306-4.1974%-4.1974%

Known prime factors (1 factor, 117.9 bits, 0.00019245% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
6125616130754237113285534503347951490340927136117.8882510297463245006041379899035
3 × 5 × 7 × 132 × 1433 × 31769 × 100483 × 133873 × 231001
133,873231,0012013-02-102.739e+90.47400.9280

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-02-10T10:46:00Frozenavalanche-307,542,371,132,855,360-33,479,514,903,409,27236117.888-287.8-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-06-17T00:00:00ANONYMOUSv4_computers?259--0.001--
2003-10-23T00:00:00ANONYMOUSv4_computers?260--0.001--
2004-04-09T00:00:00ANONYMOUSv4_computers?262--0.005--
2009-04-02T11:00:00Alejandromonster263264--0.032--
2009-04-05T04:19:00Inhumierersv1307264265--0.061--
2009-04-10T05:13:00Inhumierersv1307265266--0.122--
2009-04-14T09:18:00Joel McBethDesktop49er266267--0.244--
2009-07-24T17:49:00Moe Graycamaknpml5267268--0.488--
2009-08-02T13:49:00ANONYMOUS268269--0.976--
2012-04-05T14:23:00ANONYMOUS269270--1.952--
2012-08-26T11:48:00sikafarmi_rendering_farmManual testing270271--3.904--
2013-02-02T14:57:00GrunwalderGIMPManual testing271272--7.807--
2013-02-02T14:57:00GrunwalderGIMPManual testing272273--15.61--


ECM factoring results:
Exponent "61256161" not found


Lucas-Lehmer results:
Exponent "61256161" not found


PRP results:
Exponent "61256161" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
273
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271
270
269
268
267
266
265
264
262
260
259
250
260
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2100
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2120
Last modified: 2013-02-10T10:46:46+00:00