is 2144376847-1
has 43,461,762 decimal digits
takes 827.911 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
Actual278424.005064.1026%2,400,00072,000,00051.48554.8164%475.490568.9190%7.2751%
PrimeNet27313.249061.6438%600,00032,000,00019.21365.6302%32.462667.2741%5.6302%
GPU72277212.001963.6364%900,00034,000,00022.47824.1284%234.480167.7648%4.1284%
Difference+1+212.0031+0.4662%+1,500,000+38,000,000+29.0073+0.6880%+241.0105+1.1542%+1.1542%

Known prime factors (1 factor, 130.4 bits, 0.00009031% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
144376847177071477359851408556682890907316347404140130.3806132267085727790154493500294660
22 × 5 × 13 × 23 × 9439 × 65839 × 198701 × 423191 × 19623397
423,19119,623,3972020-01-19939,247,40812.21716.603

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-01-19T16:49:05Roland ClarksonManual testing2,400,00072,000,00040130.38051.491,656103.04.816%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-06-18T17:06:00Donna NobleATH2-630-temp263264--0.014--
2010-12-23T07:51:00sasaki3mate24264265--0.026--
2012-12-23T03:28:00Richard172.26.176.22265266--0.052--
2015-03-01T16:13:00ANONYMOUS266267--0.104--
2016-09-04T07:33:54ConductorManual testing267268--0.207--
2017-03-01T09:20:17La GüiraManual testing268269--0.414--
2017-03-04T22:21:44La GüiraManual testing268269--0.414--
2017-03-01T09:20:17La GüiraManual testing269270--0.828--
2017-03-04T22:22:43La GüiraManual testing270271--1.656--
2017-04-26T16:34:40XyzzyManual testing271272--3.313--
2020-01-19T16:49:04Roland ClarksonManual testing272278--417.4--


ECM factoring results:
Exponent "144376847" not found


Lucas-Lehmer results:
Exponent "144376847" not found


PRP results:
Exponent "144376847" not found


P-1 factor-bounds graph:
B1 = 2,400,000, B2 = 72,000,000 (stage 2)
B1 = 2,400,000 (stage 1)
104
105
106
107
104
105
106
107
108
TF factor-bounds graph:
278
272
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
2110
2120
2130
2140
Last modified: 2020-01-19T16:49:05+00:00