is 2 1339259 - 1
has 403158 decimal digits
takes 0.051 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
Actual26722.186868.6567%500000150000000.07144.8809%22.258370.1866%1.5298%
PrimeNet2560.007262.5000%60001000000.00062.6089%0.007863.4783%0.9783%
GPU722600.114765.0000%5500400000.00040.9798%0.115165.3429%0.3429%
Difference+7+22.0722+3.6567%+494500+14960000+0.0710+3.9011%+22.1432+4.8436%+4.8436%

Known prime factors (5 factors, 256.7 bits, 0.01917040% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13392592678519721.3531
1
-112.087e-135.536e-81.127e-7
1339259139282937927.05352
22 × 13
2008-07-154131.350e-112.486e-74.507e-7
1339259956273245111215111756.40835701579945
5 × 233 × 4231 × 7243
2015-01-16423172430.01220.00020.0005
13392592718630069741875503672167.881101497547141437
743 × 136605043259
2017-11-0974313660504325942.945412.04769.57
1339259199572878620925522025107032684.0457450869421856620789
479 × 750229 × 20733737279
2018-06-29750229207337372794,894,02962.578116.80

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
13392593730719931303031548.406
13392592561396056222046785222092477.761
1339259133192546153610932159578072683.462
13392597281902295774938632214664732789.234
1339259378658780730163252039511878792994.935
13392593567587655308238003971408924783332104.815
13392595345597472708428083291676568885732105.398
1339259277970966798670163659150948777471134111.099
133925910142447387025761436896213180647120136116.288
13392592599753199048992342536170664896964453738124.290
1339259744550516018607208094145340168483113300940132.452
1339259190846204275019093499110951284242051103223343140.453
13392596963488338963507920337641313169152331560070344145.643
1339259362101261038689260358947878940092011495936516946151.343
1339259542564828923793606632748641355219026266907800146151.927
1339259511185184228519867300145166122916734478954570292749161.806
133925926581619846726615073633780183733154696561031390832
1
51167.507
133925996989510761608891896738871375073631454008438331047
11
52172.696
133925914532702030041307274443432580941399110174116138160
519
53173.280
133925975570022885408522713631911150714566256735064306136
8937
54178.980
133925971199373810234326280414479263952745784677957239940
2056599
57188.860
133925920241574212900155085039463302350082929542374771020
94863764303
61200.333
133925951884022963816737705584295411705436568466739119780
5364847979511
63208.335
133925913897234130501944446242394136186583425193296160037
54428047245231824209
70229.688
133925972265591017758399573924219660179573841232490114158
279170383144807903807
71235.388
133925919356475858729521066834792691996453194564420818808
5119765175490647721697221833
78256.741
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-01-16T12:21:00alpertronManual testing50000015000000121756.4080.0280.1020.0554.881%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-15T09:58:00J FeitsmaManual testing??27.05391.50269e-130.1113.26416e-13


ECM factoring results:

Old Calculation Method

Total ECM effort:25.168 GHz-days
Estimated T-Level:25.391
DigitsB1CurvesCompleteFacMiss
2011000301 / 1003.0104.855%
2550000301 / 2801.07534.064%
3025000050 / 6400.07892.479%

New Calculation Method

Total ECM effort:25.168 GHz-days
Estimated T-Level:25.391
DigitsB1CompleteFacMiss
201100014.6540.000%
25500001.65119.189%
302500000.14186.866%
3510000000.01099.021%


ECM Summary

B1B2factorcurvesGHz-days
500005000000673.129
50000500000010.047
5000050000001838.547
250000350000005013.45


Lucas-Lehmer results:
No L-L results for M1339259


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-30T05:44:33Oliver KruseGTX-3
2678519
139282937
95627324511121511
163EF0C5A82615__no
2017-10-23T07:09:37kkmrkkblmbrbkold
2678519
139282937
95627324511121511
163EF0C5A82615__no
2017-11-10T09:36:36Oliver KruseGTX-1
2678519
139282937
95627324511121511
271863006974187550367
F8FBE42F7023BE__no
2017-11-10T11:44:20ATHec2-1xf
2678519
139282937
95627324511121511
271863006974187550367
F8FBE42F7023BE__no
2018-06-30T04:36:52ANONYMOUSdory
2678519
139282937
95627324511121511
271863006974187550367
19957287862092552202510703
F8FBE42F7023BE__no
2018-06-30T21:01:43Oliver KruseGTX-4
2678519
139282937
95627324511121511
271863006974187550367
19957287862092552202510703
F8FBE42F7023BE__no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2021-06-11T13:29:00+00:00