is 2 11346733 - 1
has 3415707 decimal digits
takes 3.839 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 PRP tests remaining
ResidueStatus
L-LDE07586AE031D774double-checked
PRPC118F14FC14317__PRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26910.521765.2174 %750000200000000.88255.7339 %11.404167.2118 %
Target2685.253064.7059 %8000095000000.29102.8826 %5.544165.7233 %
Difference+1+5.2686+0.5115 %+670000+10500000+0.5914+2.8513%+5.8601+1.4885 %

Known prime factors (1 factor, 69.9 bits, 0.00061561% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1134673310654428947480576679912269.85246949324301015
3 × 5 × 61 × 94781 × 541361
2020-03-229478154136112.0610.05840.0946

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2000-10-22ANONYMOUSv4_computers1350001653750--0.1073.049%
2020-03-22riccardo ubertiNomad2C43000085000001222269.8520.4275.058%
2021-07-02riccardo ubertiColab_noGPU147500002000000012
skipped known factor: 1065442894748057667991
--0.8826.285%


Trial Factoring results:
57585960616263646566676869
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-03-22ANONYMOUSv4_computers212640.173
2013-11-19lycornManual testing2642650.329
2015-03-04NumberwangManual testing2652660.659
2016-01-04VictordeHollanderManual testing2662671.317
2017-12-27ramgeisManual testing2672697.903


ECM factoring results:
Total ECM effort:10.986 GHz-days
Estimated T-Level:2.885
DigitsB1CompleteFacMiss
20110000.57756.162%
25500000.05594.608%
302500000.00499.643%


ECM Summary

B1B2factorcurvesGHz-days
50000500000021.029
5000014400000109.96


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-12-14ANONYMOUSv4_computersDE07586AE031D7743.839
2004-08-20ANONYMOUSv4_computersDE07586AE031D7743.839


PRP results:
dateuseridcompidcofactorsres64
2020-03-22riccardo ubertiTuareg8C
1065442894748057667991
C118F14FC1431727
2021-03-14tonywWorke
1065442894748057667991
C118F14FC1431727


CERT results:
dateuseridcompid
2021-03-14curtiscgrn129--16l


P-1 factor-bounds graph:
B1 = 750000, B2 = 20000000 (P-1 stage 2)
B1 = 430000, B2 = 8500000 (P-1 stage 2)
B1 = 750000 (P-1 stage 1)
B1 = 430000 (P-1 stage 1)
B1 = 135000, B2 = 1653750 (P-1 stage 2)
B1 = 135000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
269
267
266
265
264
this exponent TF target: 68
TF double-checked to: 67
ECM T-Level=2.88 ~= -7-bit
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00