is 21103339-1
has 332,139 decimal digits
takes 0.033 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L79B9D05DAC297A76double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2631.446566.6667%13,921,800612,558,6002.000014.6181%3.446581.2848%18.7848%
PrimeNet2560.008762.5000%4,50065,0000.00032.0289%0.009064.5289%2.0289%
GPU722600.139265.0000%4,50022,0000.00020.6842%0.139465.6842%0.6842%
Difference+3+1.3073+1.6667%+13,917,300+612,536,600+1.9998+13.9338%+3.3071+15.6005%+15.6005%

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

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
11033395418254526436991003522447171304284395138125.34924553897426072091186491400971525
52 × 53 × 457 × 26357 × 1622987 × 2621053 × 361660883
2,621,053361,660,8832014-12-141.197e+110.95331.5816

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-02-24T00:00:00Jocelyn Larouchev4_computers15,000153,750---0.001--1.276%
2012-09-24T11:22:00kurlysmile500,00010,000,000---0.044--6.487%
2014-12-14T11:07:00mikrColorovo13,921,800612,558,6001238125.3492.0000.0654.00014.618%
2016-03-17T18:59:52alpertronManual testing300,00010,000,00012---0.036--6.147%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-12-01T00:00:00ANONYMOUSv4_computers?257--0.017--
2009-02-15T22:52:00Sturle Sundegoomba.ifi260261--0.139--
2011-05-09T14:44:00XyzzyManual testing261262--0.278--
2012-10-07T08:33:00dbaughManual testing262263--0.890--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002819.90
250,00025,000,000447.747


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-04-14T00:00:00ANONYMOUSv4_computers79B9D05DAC297A760.033


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-29T02:05:02Oliver KruseGTX-1
54182545264369910035224471713042843951
480EFD74B1869B__no
2017-10-16T13:46:04Oliver KruseThreadripper
54182545264369910035224471713042843951
480EFD74B1869B__no
2018-01-01T13:44:04ATHec2-1xf
54182545264369910035224471713042843951
480EFD74B1869B__no


P-1 factor-bounds graph:
B1 = 13,921,800, B2 = 612,558,600 (stage 2)
B1 = 13,921,800 (stage 1)
B1 = 500,000, B2 = 10,000,000 (stage 2)
B1 = 300,000, B2 = 10,000,000 (stage 2)
B1 = 500,000 (stage 1)
B1 = 300,000 (stage 1)
B1 = 15,000, B2 = 153,750 (stage 2)
B1 = 15,000 (stage 1)
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103
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109
TF factor-bounds graph:
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257
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2100
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2120
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Last modified: 2020-05-25T09:37:05+00:00