is 278587489-1
has 23,657,192 decimal digits
takes 245.231 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
Actual27597.368064.0000%685,000685,0003.09941.5810%100.467465.5810%3.6092%
PrimeNet2716.083461.9718%340,00016,000,0005.39895.2355%11.482367.2073%5.2355%
GPU7227597.368064.0000%500,00017,000,0006.32993.7744%103.697967.7744%3.7744%
Difference---+185,000-16,315,000-3.2305-2.1934%-3.2305-2.1934%-2.1934%

Known prime factors (1 factor, 124.7 bits, 0.00015866% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
785874893424837275157778745592583687105202444138124.687217899650360236013240770657980
22 × 34 × 5 × 7 × 79 × 139 × 179 × 27017 × 28573 × 37907 × 334069
37,907334,0692016-06-122.005e+90.24450.3491

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-06-12T19:34:33TheJudgerManual testing685,000685,00038124.6873.099490.56.1991.581%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2002-02-24T00:00:00Jocelyn Larouchev4_computers?257--0.000--
2008-02-03T00:00:001997rj7v4_computers?263--0.012--
2008-07-01T23:53:00ANONYMOUSManual testing?264--0.025--
2011-01-05T05:00:00GrunwalderGIMPLyc-i7264265--0.048--
2011-01-12T09:03:00MarzbugCorei7265266--0.095--
2011-03-17T20:21:00tmorrowteapot266267--0.190--
2011-03-23T23:14:00arnaudSPR12267268--0.380--
2011-03-25T08:53:00S04803myth268269--0.761--
2013-02-11T03:43:00Clown_RoyalManual testing269270--1.521--
2013-05-25T01:41:00SMoffatManual testing270271--3.043--
2015-08-03T13:04:00RichD0Manual testing271272--6.086--
2016-06-05T03:50:23AirSquirrelsManual testing272273--12.17--
2016-06-05T04:40:23AirSquirrelsManual testing273274--24.34--
2016-06-05T06:15:23AirSquirrelsManual testing274275--48.69--


ECM factoring results:
Exponent "78587489" not found


Lucas-Lehmer results:
Exponent "78587489" not found


PRP results:
Exponent "78587489" not found


P-1 factor-bounds graph:
B1 = 685,000 (stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
264
263
257
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2016-06-12T19:34:33+00:00