is 2 1103339 - 1
has 332139 decimal digits
takes 0.033 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L79B9D05DAC297A76double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26726.930968.6567 %139218006125586002.000011.2120 %28.930972.1709 %
Target2600.139265.0000 %45001100000.00040.6842 %0.139665.2395 %
Difference+7+26.7917+3.6567 %+13917300+612448600+1.9996+10.5277%+28.7913+6.9314 %

Known prime factors (1 factor, 125.3 bits, 0.01136089% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11033395418254526436991003522447171304284395138125.34924553897426072091186491400971525
52 × 53 × 457 × 26357 × 1622987 × 2621053 × 361660883
2014-12-1426210533616608831.197e+110.95331.5816

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2002-02-24Jossv4_computers15000153750--0.0011.995%
2012-09-24kurlysmile5000001000000012--0.0448.567%
2014-12-14mikrColor1392180061255860012238125.3492.00017.635%
2016-03-17alpertronManual testing3000001000000012---8.200%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-12-01ANONYMOUSv4_computers212570.017
2022-03-07firejugglerManual testing257260
2022-03-07LordJuliusManual testing257260
2009-02-15Sturle Sundegoomba.ifi2602610.139
2011-05-09XyzzyManual testing2612620.278
2012-10-07dbaughManual testing2622630.890
2022-04-12LordJuliusManual testing21264


ECM factoring results:
Total ECM effort:17.533 GHz-days
Estimated T-Level:25.658
DigitsB1CompleteFacMiss
201100014.8080.000%
25500001.62019.795%
302500000.13287.678%
3510000000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002819.79
25000025000000447.747


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-04-14ANONYMOUSv4_computers79B9D05DAC297A760.033


PRP results:
dateuseridcompidcofactorsres64
2017-09-29Oliver KruseGTX-1
54182545264369910035224471713042843951
480EFD74B1869B51
2017-10-16Oliver KruseThreadripper-PC
54182545264369910035224471713042843951
480EFD74B1869B51
2018-01-01ATHec2-1xh
54182545264369910035224471713042843951
480EFD74B1869B51


CERT results:
No CERT results for M1103339


P-1 factor-bounds graph:
B1 = 13921800, B2 = 612558600 (P-1 stage 2)
B1 = 13921800 (P-1 stage 1)
B1 = 500000, B2 = 10000000 (P-1 stage 2)
B1 = 300000, B2 = 10000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 300000 (P-1 stage 1)
B1 = 15000, B2 = 153750 (P-1 stage 2)
B1 = 15000 (P-1 stage 1)
103
104
105
106
107
108
103
104
105
106
107
108
109
TF factor-bounds graph:
264
263
262
261
260
257
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.66 ~= 69-bit
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2100
2110
2120
2130
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Last modified: 2024-03-13T02:15:48+00:00