is 2 1669597 - 1
has 502599 decimal digits
takes 0.079 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
Actual26717.797168.6567%500000150000000.08805.0128%17.885170.2279%1.5712%
PrimeNet2570.011563.1579%70001200000.00092.5694%0.012464.1045%0.9466%
GPU722610.184065.5738%7000800000.00071.2067%0.184765.9892%0.4154%
Difference+6+17.6131+3.0829%+493000+14920000+0.0873+3.8061%+17.7004+4.2387%+4.2387%

Known prime factors (4 factors, 195.2 bits, 0.01168868% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1669597168696080891133.9745052
22 × 3 × 421
-44217.495e-101.823e-62.920e-6
166959731320571177931341.510937968
24 × 3 × 19541
2008-07-1516195411.796e-77.368e-50.0001
1669597138347680773291371753.6194143145944
23 × 3 × 7 × 313 × 78791
2014-10-02313787910.00130.00030.0005
1669597764289533972071546072066.05122888443557699
59077 × 387434087
2019-03-145907738743408711.2851.44432.6904

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1669597528365760895308186275772375.484
16695972333871154667505870505891932787.593
1669597433312838296141009776400346412995.129
1669597128932649046332984536692081602331100.024
166959723937984749319215655415896162235133107.561
1669597105737684464335783994722365198488415937119.670
166959773098177619881293560085913651005381104939129.103
1669597403824421161474077663739438557625299279723943141.535
16695971783753297151688573689525145261632271439436215147153.644
1669597331176467245473208718663151066813596264052274108749161.180
166959755868172107306783904331452185029476229912364232229
707852743
59195.154
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-17T19:18:10alpertronManual testing5000001500000012-
skipped known factor: 16869608089
skipped known factor: 3132057117793
skipped known factor: 13834768077329137
--0.088--5.013%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-15T07:45:00J FeitsmaManual testing??41.510134.10170e-90.1718.93853e-9
2014-10-02T11:33:00TJAOIManual testing253254*53.619170.0010.1700.001


ECM factoring results:

Old Calculation Method

Total ECM effort:14.891 GHz-days
Estimated T-Level:24.482
DigitsB1CurvesCompleteFacMiss
2011000251 / 1002.5108.025%
2550000251 / 2800.89640.737%

New Calculation Method

Total ECM effort:14.891 GHz-days
Estimated T-Level:24.482
DigitsB1CompleteFacMiss
20110008.0970.030%
25500000.73248.105%
302500000.04595.594%
3510000000.00299.794%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025014.83
50000500000010.059


Lucas-Lehmer results:
No L-L results for M1669597


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-30T14:59:24alpertronManual testing
16869608089
3132057117793
13834768077329137
E78DD4DDF4D5AF__no
2017-10-18T12:39:10Oliver KruseThreadripper
16869608089
3132057117793
13834768077329137
E78DD4DDF4D5AF__no
2019-03-24T00:10:50ANONYMOUSdory
16869608089
3132057117793
13834768077329137
76428953397207154607
0FECA5BE83861A6Ano
2019-03-24T19:48:16Justine V.Gible_Desktop_1
16869608089
3132057117793
13834768077329137
76428953397207154607
0FECA5BE83861A6Ano


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
TF factor-bounds graph:
267
254
2
230
240
250
260
270
280
290
2100
Last modified: 2019-12-09T17:17:26+00:00