is 242767-1
has 12,875 decimal digits
takes 0.000 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actualunknown100,000,0003,042,014,761,758171.6591196.9839%171.6591196.9839%136.9839%
PrimeNet2400.000060.0000%50010,0000.00004.4882%0.000064.4882%4.4882%
GPU722440.000163.6364%50010,0000.00001.9501%0.000165.5865%1.9501%
Difference-44-0.0001-63.6364%+99,999,500+3,042,014,751,758+171.6591+195.0338%+171.6590+131.3974%+131.3974%

Known prime factors (3 factors, 302.7 bits, 0.70775920% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
42767131922456549707639363772373.482154233938024303364
22 × 32 × 2819 × 1519785759571
2,8191.51979e+122014-04-2377,49185.712160.09
427674656001562811411074554753329164932105.199544345121567027272728359872
26 × 7 × 67 × 75185449 × 241205785675483
75,185,4492.41206e+142019-04-223.720e+1213,60325,407
427672136231308000188228548103015836770361738124.006249752298267377677712734470016224
25 × 3 × 17 × 71 × 3767 × 4973 × 95436547 × 1205597095771
95,436,5471.20560e+122016-11-203.965e+1268.086126.99

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4276761423116386535924174794683821346347238780963922141
5673
54178.681
4276728181688190977994902811720957219221988682641418622
4980775609
60197.489
4276799462963085755412295359195865806805649561618468363
3573187309253194433
69229.205
4276713121398425985743247292786826861000769818878675538
372762296405767323030614216045940822589241
92302.687
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-09-19T05:18:20kkmrkkblmbrbkManual testing100,000,0002,000,000,00012---0.211--39.206%
2016-11-20T21:38:34kkmrkkblmbrbkManual testing100,000,0003,042,014,761,75838124.006171.76.10618e-5343.358.090%


Trial Factoring results:
Exponent "42767" not found


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002830.211
250,00025,000,0005832.171
1,000,000100,000,0001,04915.63
1,000,000100,000,00010.015


Lucas-Lehmer results:
Exponent "42767" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T19:46:00kkmrkkblmbrbkManual testing
13192245654970763936377
21362313080001882285481030158367703617
60A8DD636437CC70no
2017-09-25T23:58:53George Woltman60A8DD636437CC__?
2017-10-02T10:53:54kkmrkkblmbrbkManual testing
13192245654970763936377
21362313080001882285481030158367703617
60A8DD636437CC__no
2019-04-23T21:22:12matzetonibobuba
13192245654970763936377
46560015628114110745547533291649
21362313080001882285481030158367703617
81B802F1A75370__no
2019-05-02T18:02:23roemer2201ws-rebentrost-o
13192245654970763936377
46560015628114110745547533291649
21362313080001882285481030158367703617
81B802F1A7537015no


P-1 factor-bounds graph:
B1 = 100,000,000, B2 = 3,042,014,761,758 (stage 2)
B1 = 100,000,000, B2 = 2,000,000,000 (stage 2)
B1 = 100,000,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-06-23T13:40:43+00:00