is 21113599-1
has 335,227 decimal digits
takes 0.033 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LF50912625485D4EAdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2656.551567.6923%5,000,000200,000,0000.671510.5571%7.222978.2494%15.7494%
PrimeNet2560.008662.5000%4,50070,0000.00032.0788%0.009064.5788%2.0788%
GPU722600.137965.0000%4,50022,0000.00020.6858%0.138265.6858%0.6858%
Difference+5+6.4135+2.6923%+4,995,500+199,978,000+0.6712+9.8713%+7.0848+12.5636%+12.5636%

Known prime factors (1 factor, 117.9 bits, 0.01058642% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
111359930797139777635664312918680160527614336117.890138277511822638419722533336329
33 × 7 × 17 × 59 × 197 × 1699 × 104149 × 255503 × 81898907
255,50381,898,9072015-03-081.176e+110.20210.3582

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-03-10T00:00:00Jocelyn Larouchev4_computers15,000168,750---0.001--0.967%
2012-10-24T06:57:00kurlysmile500,00010,000,000---0.044--5.362%
2015-03-08T22:01:00mikrMSI5,000,000200,000,0001236117.8900.6710.0661.34310.557%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-12-01T00:00:00ANONYMOUSv4_computers?257--0.017--
2003-04-27T00:00:00ANONYMOUSv4_computers?258--0.034--
2009-02-15T22:05:00Sturle Sundegideon.ifi260261--0.138--
2011-05-09T14:44:00XyzzyManual testing261262--0.276--
2012-10-11T11:55:00dbaughManual testing262263--0.882--
2014-12-22T09:46:00Matthias WurtingerManual testing263264--1.763--
2014-12-31T09:48:00Matthias WurtingerManual testing264265--3.355--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002819.91
250,00025,000,000447.757


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-05-05T00:00:00ANONYMOUSv4_computersF50912625485D4EA0.033


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-29T03:10:54Oliver KruseGTX-1
307971397776356643129186801605276143
2F673B20BC4580__no
2017-10-16T17:11:22Oliver KruseThreadripper
307971397776356643129186801605276143
2F673B20BC4580__no
2018-01-03T05:05:37ATHec2-1xf
307971397776356643129186801605276143
2F673B20BC4580__no


P-1 factor-bounds graph:
B1 = 5,000,000, B2 = 200,000,000 (stage 2)
B1 = 5,000,000 (stage 1)
B1 = 500,000, B2 = 10,000,000 (stage 2)
B1 = 500,000 (stage 1)
B1 = 15,000, B2 = 168,750 (stage 2)
B1 = 15,000 (stage 1)
103
104
105
106
107
103
104
105
106
107
108
109
TF factor-bounds graph:
265
264
263
262
261
258
257
250
260
270
280
290
2100
2110
2120
Last modified: 2020-06-29T11:34:10+00:00