is 2 339659 - 1
has 102248 decimal digits
takes 0.002 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26787.481671.6418%2000000018200000001.217411.8946%88.699075.0149%3.3731%
PrimeNet2400.000052.5000%34001000000.000116.2055%0.000160.1976%7.6976%
GPU722440.000056.8182%60001700000.000211.9931%0.000261.9970%5.1789%
Difference+23+87.4816+14.8236%+19994000+1819830000+1.2173-0.0986%+88.6989+13.0178%+13.0178%

Known prime factors (3 factors, 129.8 bits, 0.03820588% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
339659679319619.3741
1
-112.057e-131.031e-82.098e-8
33965915250689111030.5062245
5 × 449
2008-07-2154496.258e-103.010e-74.667e-7
33965911199777314650849016492412579.8901648679604345954180
22 × 32 × 5 × 7 × 11 × 13 × 19 × 139 × 3464665261
2020-09-201393464665261360,4591.94643.6353

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
33965910360082875516091649.880
3396597608221525611300103034607468793099.263
339659170804321926970746548075007584655134110.396
339659116030621167107840574291766077400317876940129.770
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-07-20T02:04:15George WoltmanManual testing200000001820000000-
skipped known factor: 679319
skipped known factor: 1525068911
--1.217--11.895%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-07-20T02:04:16George WoltmanManual testing1000000083000000027--0.719
2021-08-03T20:05:13ATHec2-P_110000000100000000065--0.702


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-21T09:17:00J FeitsmaManual testing??30.506102.04642e-100.0054.26113e-10


ECM factoring results:

Old Calculation Method

Total ECM effort:10.433 GHz-days
Estimated T-Level:26.688
DigitsB1CurvesCompleteFacMiss
2011000497 / 1004.9700.677%
2550000497 / 2801.77516.895%
30250000216 / 6400.33871.336%

New Calculation Method

Total ECM effort:10.433 GHz-days
Estimated T-Level:26.688
DigitsB1CompleteFacMiss
201100027.0650.000%
25500003.4223.266%
302500000.33171.797%
3510000000.02697.465%
4030000000.00299.835%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002812.154
250000250000001445.520
25000025000000722.760


Lucas-Lehmer results:
No L-L results for M339659


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-22T22:02:51Oliver KruseDoppelherz
679319
1525068911
DE0E6DCC529707__no
2017-09-24T17:46:03Oliver KruseManual testing
679319
1525068911
DE0E6DCC529707__no
2017-10-13T03:33:01Oliver KruseGTX-3DE0E6DCC529707__no
2017-12-12T22:18:23ATHxps
679319
1525068911
DE0E6DCC529707__no
2020-04-18T15:12:09Oliver KruseAddPrpType5
679319
1525068911
8A6DAA0F473F3D__no
2020-09-20T08:10:53M Millercruncher
679319
1525068911
1119977731465084901649241
8A6DAA0F473F3D73no
2022-05-12T18:22:23Jorge CoveiroManual testing
679319
8A6DAA0F473F3D73no


P-1 factor-bounds graph:
B1 = 20000000, B2 = 1820000000 (P-1 stage 2)
B1 = 20000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
267
2
210
220
230
240
250
260
270
280
290
2100
Last modified: 2022-05-12T18:22:23+00:00