is 2 3075869 - 1
has 925929 decimal digits
takes 0.262 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26819.378267.6471%30758692177521501.82309.0326%21.201370.5694%2.9223%
PrimeNet2600.049963.3333%120002200000.00292.5267%0.052864.2598%0.9265%
GPU722641.157265.6250%140002200000.00311.4674%1.160366.1294%0.5044%
Difference+4+18.2210+2.0221%+3061869+217532150+1.8199+7.5652%+20.0410+4.4399%+4.4399%

Known prime factors (2 factors, 114.2 bits, 0.00371411% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
307586910589109654171339.946172132
22 × 23 × 1871
-2318712.995e-81.526e-52.355e-5
3075869231842662041241086584472374.2963768734332334067
3 × 1256244777444689
2018-07-09312562447774446891,331.98,446,71115,776,103

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
30758692455007370869378588640072148192739935114.241
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-03-05T06:43:11Jocelyn LaroucheManual testing30758633834556-
skipped known factor: 1058910965417
--0.059--3.376%
2021-03-05T18:37:46Jocelyn LaroucheManual testing30758664593246-
skipped known factor: 1058910965417
--0.079--3.897%
2021-06-22T11:14:23Jocelyn LaroucheManual testing30758693075869-
skipped known factor: 1058910965417
--0.380--3.738%
2021-12-19T18:06:23Jocelyn LaroucheManual testing3075869108997350-
skipped known factor: 1058910965417
--1.092--8.164%
2022-01-03T11:29:02Jocelyn LaroucheManual testing3075869217752150-
skipped known factor: 1058910965417
--1.823--9.033%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-06-19T04:13:04Jocelyn LaroucheManual testing267268--9.72--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.350 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.350 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.350


Lucas-Lehmer results:
No L-L results for M3075869


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-29T01:30:36Oliver KruseGTX-1
1058910965417
B6BA00FE9D6347__no
2017-12-11T09:00:51kkmrkkblmbrbkc4.xlarge
1058910965417
B6BA00FE9D6347__no
2018-07-11T15:43:10Oliver KruseGTX-6
1058910965417
23184266204124108658447
B6BA00FE9D6347__no


P-1 factor-bounds graph:
B1 = 3075869, B2 = 217752150 (P-1 stage 2)
B1 = 3075869, B2 = 108997350 (P-1 stage 2)
B1 = 3075869 (P-1 stage 1)
B1 = 307586, B2 = 6459324 (P-1 stage 2)
B1 = 307586, B2 = 3383455 (P-1 stage 2)
B1 = 307586 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
TF factor-bounds graph:
268
230
240
250
260
270
280
290
2100
Last modified: 2022-01-03T11:29:02+00:00