is 2140831-1
has 42,395 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
Actual26311.332871.4286%100,000,0002,000,000,0000.942715.3383%12.275586.7669%31.7669%
PrimeNet2400.000055.0000%1,50030,0000.000010.1467%0.000065.1467%10.1467%
GPU722440.000059.0909%2,40045,0000.00006.7668%0.000065.8577%6.7668%
Difference+19+11.3328+12.3377%+99,997,600+1,999,955,000+0.9427+8.5715%+12.2755+20.9092%+20.9092%

Known prime factors (4 factors, 253.7 bits, 0.18012712% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
140831281663618.1041
11-2.480e-134.632e-99.427e-9
14083151806091671032.27018393
3 × 6131
36,1312008-07-268.049e-91.560e-62.892e-6
1408311296898789400879592766872476.779460445068699675353
33 × 7 × 271 × 128413 × 70006399
128,41370,006,3992015-04-24164,4860.01820.0330
14083112209997071992238886827327046867615539939126.521433498202526156843551040859145629
8831 × 835217 × 1375681 × 23224387 × 1839569041
23,224,3871.83957e+92017-03-171.011e+120.56590.8671

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
14083114591859198047211650.374
140831365288403719019948737494904812994.883
14083167187257570413992561512736158972933109.050
14083118924164529055516386853361804744783932739127.153
1408313439104405288549981580445418001873195814853744144.625
14083163255222760206151729951526045109407701437594263348158.792
14083117816655808307945314713336680443651101410017112983
8679
54176.895
14083115835130421255019083629992305906118113154018069179
340049883113
62203.301
14083144601703398419524401524745228584349461053001914192
60456470227256919
67221.404
14083182035621820994323509413477776116703738390449292074
129229434692486296871
71235.571
14083123106399348966724142631928390854359125066269118953
475461150263789767835576473
77253.675
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-03-17T09:57:23kkmrkkblmbrbkManual testing100,000,0002,000,000,0001239126.5210.9430.0011.88515.338%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-26T12:49:00J FeitsmaManual testing??32.270103.98629e-90.0018.24691e-9


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002010.674
50,0005,000,000800.268
250,00025,000,0005909.90
1,000,000100,000,000302.013


Lucas-Lehmer results:
Exponent "140831" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T22:45:57Oliver KruseOllaptop1A9E1983EC3741__?
2017-09-22T10:01:55Oliver KruseManual testing1A9E1983EC3741__?
2017-10-09T04:40:14Chang Chia-Tchehomura1A9E1983EC3741__?
2017-10-13T21:51:08kkmrkkblmbrbkManual testing
281663
5180609167
129689878940087959276687
122099970719922388868273270468676155399
1A9E1983EC3741__no
2020-04-17T15:45:05Oliver KruseAddPrpType5
281663
5180609167
129689878940087959276687
122099970719922388868273270468676155399
6166ECB5CF9E48__no


P-1 factor-bounds graph:
B1 = 100,000,000, B2 = 2,000,000,000 (stage 2)
B1 = 100,000,000 (stage 1)
100
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107
108
100
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1010
TF factor-bounds graph:
263
2
210
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230
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250
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2100
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2120
2130
Last modified: 2020-04-17T15:45:05+00:00