is 2 599941 - 1
has 180601 decimal digits
takes 0.009 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26749.528170.1493 %175000053997843906.518111.5525 %56.046273.5978 %
Target2440.000054.5455 %1000018000000.002415.4280 %0.002461.5582 %
Difference+23+49.5281+15.6038 %+1740000+5397984390+6.5158-3.8754 %+56.0438+12.0396 %

Known prime factors (6 factors, 262.5 bits, 0.04375785% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5999413599647721.7793
3
-134.660e-132.443e-84.484e-8
599941425178186711135.30735435
5 × 19 × 373
2008-07-21193731.274e-88.435e-78.519e-7
59994110663867283271339.956888743
17 × 23 × 2273
2008-07-212322731.671e-73.208e-65.103e-6
59994131374370550171341.5132614788
22 × 33 × 11 × 31 × 71
2008-07-2131719.626e-77.310e-71.390e-6
599941208536263917431444.24517379731
3361 × 5171
2008-07-21336151717.213e-67.622e-50.0002
5999419960491709325021252109692479.721830122604499860924
22 × 7 × 12433 × 104113 × 22903577
2014-11-1010411322903577269,6270.02970.0513

57 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-11-10alpertronManual testing1500000500000001222479.7210.09133.129%
2023-01-04USAFSSUSAFSACS17500005399784390
skipped known factor: 3599647
skipped known factor: 42517818671
skipped known factor: 1066386728327
skipped known factor: 3137437055017
skipped known factor: 20853626391743
skipped known factor: 996049170932502125210969
--7.54345.812%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-07-21J FeitsmaManual testing??
39.956
13
2008-07-21J FeitsmaManual testing??
44.245
14
2008-07-21J FeitsmaManual testing??
41.513
13
2008-07-21J FeitsmaManual testing??
35.307
11


ECM factoring results:
Total ECM effort:18.137 GHz-days
Estimated T-Level:26.502
DigitsB1CompleteFacMiss
201100024.8080.000%
25500003.1354.351%
302500000.30074.050%
3510000000.02397.711%
4030000000.00199.851%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002814.760
25000025000000443.727
250000350000001009.65


Lucas-Lehmer results:
No L-L results for M599941


PRP results:
dateuseridcompidcofactorsres64
2017-09-27Oliver KruseGTX-2
3599647
1066386728327
20853626391743
3137437055017
42517818671
996049170932502125210969
FE1AD4808B229B33
2017-09-28Oliver KruseManual testing
3599647
1066386728327
20853626391743
3137437055017
42517818671
996049170932502125210969
FE1AD4808B229B33
2017-09-30alpertronManual testing
1066386728327
20853626391743
3137437055017
3599647
42517818671
996049170932502125210969
FE1AD4808B229B33
2017-12-07ATHxps
3599647
42517818671
1066386728327
3137437055017
20853626391743
996049170932502125210969
FE1AD4808B229B33
2020-04-19Oliver KruseAddPrpType5
3599647
42517818671
1066386728327
3137437055017
20853626391743
996049170932502125210969
0A6B1E54086BE220


CERT results:
No CERT results for M599941


P-1 factor-bounds graph:
B1 = 1750000, B2 = 5399784390 (P-1 stage 2)
B1 = 1500000, B2 = 50000000 (P-1 stage 2)
B1 = 1750000 (P-1 stage 1)
B1 = 1500000 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=26.5 ~= 71-bit
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00