is 2 3567593 - 1
has 1073953 decimal digits
takes 0.375 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LEAB3CBC50949B1D4double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2678.328867.1642 %1000001303648501.09615.9702 %9.424969.1245 %
Target2640.997765.6250 %2000020000000.01951.9772 %1.017266.3047 %
Difference+3+7.3312+1.5392 %+80000+128364850+1.0766+3.9930%+8.4077+2.8199 %

Known prime factors (1 factor, 72.7 bits, 0.00203827% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
356759377633961753171266079112272.7171088043980257435
5 × 179 × 1051 × 2531 × 457013
2011-12-202531457013288.660.00420.0071

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-07-08Carsten Kossendeymother20000245000--0.0051.725%
2011-12-20Squeeky_SquirrelP4_26002272.7170.0250.000%
2022-03-01JossManual testing100000100000--0.0151.530%
2022-05-25JossManual testing100000130364850
skipped known factor: 7763396175317126607911
--1.3028.069%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1997-11-21ANONYMOUSv4_computers212600.022
2009-03-15S485122USB-Z2602610.043
2011-06-18markrManual testing212620.086


ECM factoring results:
Total ECM effort:0.299 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.299


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1997-12-30ANONYMOUSv4_computersEAB3CBC50949B1D40.375
1999-07-26ANONYMOUSv4_computersEAB3CBC50949B1D40.375


PRP results:
dateuseridcompidcofactorsres64
2017-11-09Oliver KruseGTX-3
7763396175317126607911
9DCDD911D5124AFE
2017-12-18kkmrkkblmbrbkc4.xlarge
7763396175317126607911
9DCDD911D5124AFE


CERT results:
No CERT results for M3567593


P-1 factor-bounds graph:
B1 = 100000, B2 = 130364850 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
B1 = 20000, B2 = 245000 (P-1 stage 2)
B1 = 20000 (P-1 stage 1)
102
103
104
105
102
103
104
105
106
107
108
109
TF factor-bounds graph:
262
261
260
this exponent TF target: 64
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00