is 287666289-1
has 26,390,183 decimal digits
takes 295.549 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
Actual2760.00000.0000%715,000715,0003.495299.9424%3.495299.9424%37.9706%
PrimeNet2715.453461.9718%360,00017,000,0006.19165.4012%11.645067.3730%5.4012%
GPU7227587.284564.0000%600,00020,000,0008.09994.0441%95.384468.0441%4.0441%
Difference+1+-87.2845+-64.0000%+115,000-19,285,000-4.6047+95.8983%-91.8892+31.8983%+31.8983%

Known prime factors (1 factor, 118.9 bits, 0.00013565% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
8766628963029568905431677743239700080265536136118.9243594857819602223480866157120
26 × 5 × 71 × 617 × 10651 × 122053 × 376811 × 523511
376,811523,5112018-05-142.048e+91.88113.7488

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-05-14T19:27:08jackwingg-007715,000715,00036118.9243.495591.16.9901.637%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-22T23:20:00For Researchm1_36264265--0.043--
2013-05-08T15:14:00c10ck3rManual testing265266--0.085--
2013-10-01T11:08:00Phenom factoryManual testing266267--0.170--
2013-10-01T11:08:00Phenom factoryManual testing267268--0.341--
2013-10-01T11:08:00Phenom factoryManual testing268269--0.682--
2013-10-01T11:08:00Phenom factoryManual testing269270--1.364--
2014-09-04T06:25:00Preben SManual testing270271--2.728--
2017-06-18T01:38:35GregManual testing271272--5.455--
2017-06-18T01:38:35GregManual testing272273--10.91--
2017-06-23T15:00:01gcardonaManual testing273274--21.82--
2018-04-30T00:27:04TheJudgerManual testing274275--43.64--
2018-04-30T00:27:04TheJudgerManual testing275276--87.29--


ECM factoring results:
Exponent "87666289" not found


Lucas-Lehmer results:
Exponent "87666289" not found


PRP results:
Exponent "87666289" not found


P-1 factor-bounds graph:
B1 = 715,000 (stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
2110
2120
Last modified: 2018-05-14T19:27:08+00:00