is 2 1336039 - 1
has 402188 decimal digits
takes 0.051 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L58EC25458832927Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26722.240368.6567 %500000150000000.07144.8795 %22.311770.1861 %
Target2600.115065.0000 %55002000000.00090.9793 %0.115965.3428 %
Difference+7+22.1253+3.6567 %+494500+14800000+0.0705+3.9002%+22.1959+4.8434 %

Known prime factors (1 factor, 75.4 bits, 0.00563998% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1336039482288571117233357835912375.35218049195087764405
3 × 5 × 4783 × 170239 × 1477771
2014-07-02170239147777110,2460.01340.0192

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-09-21Xyzzyv4_computers15000213750--0.0012.275%
2003-09-21Team Prime Ribv4_computers15000213750--0.0012.275%
2014-04-27ANONYMOUSManual testing175000175000--0.0112.822%
2014-07-02mikrMSI4081679408167912375.3520.2267.706%
2016-03-17alpertronManual testing5000001500000012
skipped known factor: 48228857111723335783591
---9.362%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-11-04ANONYMOUSv4_computers212570.014
2003-06-30ANONYMOUSv4_computers212580.029
2022-03-07LordJuliusManual testing258260
2009-04-14Sturle Sundejodel.ifi2602610.115
2012-09-18AxelssonManual testing2612620.230
2013-01-14dbaughManual testing2622630.735


ECM factoring results:
Total ECM effort:29.141 GHz-days
Estimated T-Level:25.704
DigitsB1CompleteFacMiss
201100014.6540.000%
25500001.65119.189%
302500000.14186.866%
3510000000.01099.021%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025113.42
250000350000005015.72


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2010-03-17Bruce A Metcalfv4_computers58EC25458832927D0.051


PRP results:
dateuseridcompidcofactorsres64
2017-09-30Oliver KruseGTX-3
48228857111723335783591
A3230A9D9321F0B2
2017-10-24kkmrkkblmbrbkc4.xlarge
48228857111723335783591
A3230A9D9321F0B2


CERT results:
No CERT results for M1336039


P-1 factor-bounds graph:
B1 = 4081679 (P-1 stage 1)
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 175000 (P-1 stage 1)
B1 = 15000, B2 = 213750 (P-1 stage 2)
B1 = 15000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
108
TF factor-bounds graph:
263
262
261
260
258
257
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.7 ~= 69-bit
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Last modified: 2024-03-13T02:15:48+00:00