is 2 1704119 - 1
has 512991 decimal digits
takes 0.080 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
Actual26717.436568.6567%500000150000000.08805.0252%17.524670.2318%1.5751%
PrimeNet2570.011363.1579%80001300000.00102.7326%0.012364.1646%1.0067%
GPU722610.180365.5738%70001000000.00081.3020%0.181166.0220%0.4482%
Difference+6+17.2563+3.0829%+493000+14900000+0.0872+3.7232%+17.3435+4.2098%+4.2098%

Known prime factors (4 factors, 186.0 bits, 0.01091640% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1704119249789763031134.5407329
3 × 7 × 349
-73492.131e-91.749e-62.394e-6
170411915268769910491340.474447996
22 × 3 × 37 × 1009
2008-07-153710091.692e-76.139e-66.978e-6
1704119397705657629055211755.14311668952040
23 × 3 × 5 × 97241267
2015-01-088972412670.00340.36150.6753
1704119659441801439551531755.87219348466904
23 × 32 × 13 × 17 × 863 × 1409
2015-07-2186314090.00526.092e-50.0001

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1704119381398241770089141118472375.014
17041199934280197485201254868688632789.683
170411916472181131366188954817393592890.412
1704119607247617843815590441496815292995.616
17041191006886513553954556786384254973096.346
1704119262263735309605687911340600009971334111.015
1704119151684238561738695887401022569788780728740130.156
1704119251509943618745191859059601379479399759140130.886
17041196551079629434904846611390412610874666410103944145.555
1704119400444463030802109184723488827015237940846893746151.488
170411910002692752713965444407626677017498894744321073483
4599911
57186.028
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-16T12:29:38alpertronManual testing5000001500000012-
skipped known factor: 24978976303
skipped known factor: 1526876991049
skipped known factor: 65944180143955153
--0.088--5.025%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-15T07:45:00J FeitsmaManual testing??40.474138.32744e-80.1741.80997e-7
2015-01-08T13:42:00TJAOIManual testing255256*55.143170.0010.1690.001
2015-02-20T12:04:00TJAOIManual testing255256*55.872170.0020.1690.005


ECM factoring results:

Old Calculation Method

Total ECM effort:15.280 GHz-days
Estimated T-Level:24.589
DigitsB1CurvesCompleteFacMiss
2011000257 / 1002.5707.555%
2550000257 / 2800.91839.872%

New Calculation Method

Total ECM effort:15.280 GHz-days
Estimated T-Level:24.589
DigitsB1CompleteFacMiss
20110009.8850.005%
25500000.91540.068%
302500000.05894.394%
3510000000.00399.731%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025715.28


Lucas-Lehmer results:
No L-L results for M1704119


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-03T03:14:16Oliver KruseGTX-0
24978976303
1526876991049
39770565762905521
65944180143955153
0F6AD65A9A435CAFno
2017-10-05T21:05:49Oliver KruseManual testing
24978976303
1526876991049
39770565762905521
65944180143955153
0F6AD65A9A435C__no
2017-11-10T13:29:09kkmrkkblmbrbkc4.xlarge
24978976303
1526876991049
39770565762905521
65944180143955153
0F6AD65A9A435C__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
TF factor-bounds graph:
267
256
2
230
240
250
260
270
280
290
2100
Last modified: 2020-03-03T14:21:43+00:00