is 2 1269167 - 1
has 382058 decimal digits
takes 0.040 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LC2CA1730677EE906double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26723.412168.6567 %41780001671230000.60008.8462 %24.012171.4294 %
Target2600.121065.0000 %55001800000.00070.9298 %0.121765.3254 %
Difference+7+23.2911+3.6567 %+4172500+166943000+0.5993+7.9164%+23.8904+6.1040 %

Known prime factors (1 factor, 75.9 bits, 0.00597850% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1269167693895379335039429091692375.87727336645978623752
23 × 3417080747327969
2016-03-16834170807473279696,029.18,555,89615,980,030

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-02-24ANONYMOUSv4_computers204820480012--0.0010.997%
2003-12-31eteov4_computers20000050000006--0.0217.076%
2014-09-30JossManual testing250572250572--0.0123.237%
2015-02-16mikrMSI417800016712300012--0.60014.733%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-11-10ANONYMOUSv4_computers212570.015
2003-06-06ANONYMOUSv4_computers212580.030
2003-06-17ANONYMOUSv4_computers212580.030
2016-02-23Mark RoseManual testing2582600.091
2009-02-16Sturle Sundegouache.ifi2602610.121
2012-09-15AxelssonManual testing2612620.242
2012-10-13dbaughManual testing2622630.773
2015-04-09omylistManual testing2632641.547
2015-04-10monstManual testing2642652.944
2015-09-24ramgeisManual testing2652665.888


ECM factoring results:
Total ECM effort:19.107 GHz-days
Estimated T-Level:25.671
DigitsB1CompleteFacMiss
201100014.1990.000%
25500001.59720.241%
302500000.13487.450%
3510000000.00999.082%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002509.459
50000500000010.038
25000025000000509.61


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-08-31ANONYMOUSv4_computersC2CA1730677EE9060.040


PRP results:
dateuseridcompidcofactorsres64
2017-09-29Oliver KruseGTX-1
69389537933503942909169
059CAF7ED20A4E51
2017-10-21kkmrkkblmbrbkc4.xlarge
69389537933503942909169
059CAF7ED20A4E51


CERT results:
No CERT results for M1269167


P-1 factor-bounds graph:
B1 = 4178000, B2 = 167123000 (P-1 stage 2)
B1 = 4178000 (P-1 stage 1)
B1 = 200000, B2 = 5000000 (P-1 stage 2)
B1 = 250572 (P-1 stage 1)
B1 = 200000 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 2048 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.67 ~= 69-bit
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Last modified: 2024-02-09T03:30:02+00:00