is 2 9595043 - 1
has 2888396 decimal digits
takes 2.799 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LC001C43E6B7D1924double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27024.903565.7143 %37000079550000.33133.9359 %25.234867.0637 %
Target2686.212064.7059 %6000070000000.18532.4678 %6.397365.5769 %
Difference+2+18.6915+1.0084 %+310000+955000+0.1460+1.4680%+18.8375+1.4868 %

Known prime factors (1 factor, 71.4 bits, 0.00074413% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
959504331154850180915695973432271.400162348674106597
3 × 11 × 37 × 47 × 491 × 5761741
2019-11-25491576174188.6330.13300.2480

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-06-09ANONYMOUSv4_computers50000650000--0.0351.952%
2013-01-28NesowaEPC11500021850006--0.0963.098%
2019-11-25Aaron HavilandManual testing37000079550001222271.4000.3314.808%


Trial Factoring results:
5758596061626364656667686970
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-06-06ANONYMOUSv4_computers212640.205
2013-08-31David CampeauManual testing2642650.389
2015-05-08VictordeHollanderManual testing2652660.779
2016-08-21snme2pm1Manual testing2662684.673
2019-08-16TJAOIManual testing2682696.231
2019-08-31YxinityManual testing26927012.46


ECM factoring results:
Total ECM effort:1.331 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000031.331


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-04-12ANONYMOUSv4_computersC001C43E6B7D19242.799
2003-07-06ANONYMOUSv4_computersC001C43E6B7D19242.799


PRP results:
dateuseridcompidcofactorsres64
2019-11-26mnd9eileen
3115485018091569597343
934631047BFE00F4
2020-12-13rucio
3115485018091569597343
934631047BFE00F4


CERT results:
dateuseridcompid
2020-12-1369-bit_color_depth69-bit_computer


P-1 factor-bounds graph:
B1 = 370000, B2 = 7955000 (P-1 stage 2)
B1 = 370000 (P-1 stage 1)
B1 = 115000, B2 = 2185000 (P-1 stage 2)
B1 = 115000 (P-1 stage 1)
B1 = 50000, B2 = 650000 (P-1 stage 2)
B1 = 50000 (P-1 stage 1)
101
102
103
104
105
106
101
102
103
104
105
106
107
TF factor-bounds graph:
270
269
268
266
265
264
this exponent TF target: 68
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
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260
270
280
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Last modified: 2024-03-13T02:15:48+00:00