is 2 519067 - 1
has 156255 decimal digits
takes 0.008 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26757.244971.6418%5000000075500000009.697914.9531%66.942875.8822%4.2404%
PrimeNet2400.000052.5000%50001800000.000319.3470%0.000361.6898%9.1898%
GPU722440.000056.8182%90003000000.000514.5874%0.000563.1173%6.2991%
Difference+23+57.2449+14.8236%+49991000+7549700000+9.6974+0.3658%+66.9422+12.7650%+12.7650%

Known prime factors (5 factors, 339.0 bits, 0.06531425% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
51906712457609823.57112
22 × 3
-442.159e-128.458e-81.721e-7
51906720762681824.30720
22 × 5
2008-07-21454.325e-128.574e-81.721e-7
5190672920798254220576239559672477.951281350794234711149
13 × 1453 × 14894954430341
2016-03-1114531489495443034190,73617,16032,051
51906722690737702959738445720288792890.8742185723394374882090917
3 × 24407 × 1492783 × 19996908719
2016-10-28149278319996908719639,591,72523.06843.029
519067664569833531727973255838914317683952737122.3226401580465833196612921250188489
33 × 83 × 1931 × 17597 × 107101 × 920729 × 852509243
2021-08-059207298525092433.664e+111.00061.8344

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
5190672586533616897291547.878
519067363861626189625385471247010290331101.521
519067606436024177387280981570086752731102.258
5190672826723382250305642990510811129031135114.445
5190674711205485812258051919261713746459935115.182
5190677554742872716437388041536346861216294338125.829
51906758690355860904158217911861998523322568379142138.752
5190678278951139333356185183698161554208468311094344145.892
51906713798251455842371287487514765364404568729188745146.629
51906766275067069781812279910176715203936423208334837099
3
51168.825
51906717189322152056502713234605132863649463504185971181
83
52170.200
51906782562887200411753269451953663891499522118796094166
17735737
58192.395
51906713760480758234845079696577077914071818993556527638
797312233
59193.132
51906719410744095871300326938374384889146176721119284533
98073107609
61200.273
51906715079579777968056955070643409227649066113617500194
549801392700233
65213.196
51906717142268893811323017843379587501604231894050074072
1830146049630897
66216.703
51906724181146034542317379457043518256449141343660608908
407916128007846881
68223.843
51906740301908763520922574341717401202456242963022566772
727557947964339729
68224.580
51906718785550875823286803600064297058504405485859639298
1125356777914956922897
72236.767
51906731309250454400159474796310157054613393966494991255
6875464929990666404673
72237.503
51906750206542132961711675042254777267632971444233659503
1031780440582090287047961
75248.151
51906739003840024398951627465778657931496530819755370152
17744803791036095718852006857
79261.074
51906744044410289869005423707129195951381819391344282849
72816793314947871507564879501622640311
88291.147
51906754868804202676473078742274603564669771568598506012
731927239751434438623483810963329718542076399
95314.717
51906791448004068166769139970096092132503222522209550598
267688751041195187740558679895629863155033791
95315.454
51906711392234785116309567390137288082147013374216803974
18934943794169552541553473475695917643908917350065
719
103339.025
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-16T12:43:37alpertronManual testing15000005000000012---0.088--6.124%
2021-08-05T00:27:02ViliamF310000000111000000037122.3221.4790.0152.95811.144%
2021-08-06T21:19:07ViliamF3500000007550000000---9.70--14.953%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-21T09:20:00J FeitsmaManual testing??24.30781.86401e-140.0163.88588e-14


ECM factoring results:

Old Calculation Method

Total ECM effort:16.108 GHz-days
Estimated T-Level:26.125
DigitsB1CurvesCompleteFacMiss
2011000425 / 1004.2501.396%
2550000425 / 2801.51821.859%
30250000144 / 6400.22579.838%

New Calculation Method

Total ECM effort:16.108 GHz-days
Estimated T-Level:26.125
DigitsB1CompleteFacMiss
201100021.0650.000%
25500002.5547.776%
302500000.23878.844%
3510000000.01898.227%
4030000000.00199.887%


ECM Summary

B1B2factorcurvesGHz-days
5000050000001442.317
500005000000801.287
500005000000570.917
2500002500000014411.59


Lucas-Lehmer results:
Exponent "519067" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-27T09:55:58Oliver KruseGTX-0
12457609
20762681
292079825422057623955967
2269073770295973844572028879
368D9ACB6A81537Fno
2017-10-17T20:25:18Oliver KruseGTX-2
12457609
20762681
292079825422057623955967
2269073770295973844572028879
FC4402A23B8A99__no
2017-10-17T21:26:37Oliver KruseThreadripper
12457609
20762681
292079825422057623955967
2269073770295973844572028879
368D9ACB6A8153__no
2017-10-17T22:19:45Oliver KruseThreadripper
12457609
20762681
292079825422057623955967
2269073770295973844572028879
368D9ACB6A8153__no
2017-11-03T04:13:07kkmrkkblmbrbkc4.xlarge
12457609
20762681
292079825422057623955967
2269073770295973844572028879
FC4402A23B8A99__no
2019-04-09T04:28:54kkmrkkblmbrbkc5.large
12457609
20762681
292079825422057623955967
2269073770295973844572028879
368D9ACB6A81537Fno
2021-08-05T00:29:27ViliamF3
12457609
20762681
292079825422057623955967
2269073770295973844572028879
6645698335317279732558389143176839527
FC4402A23B8A9920no


P-1 factor-bounds graph:
B1 = 50000000, B2 = 7550000000 (P-1 stage 2)
B1 = 10000000, B2 = 1110000000 (P-1 stage 2)
B1 = 50000000 (P-1 stage 1)
B1 = 10000000 (P-1 stage 1)
B1 = 1500000, B2 = 50000000 (P-1 stage 2)
B1 = 1500000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-08-06T21:19:07+00:00