is 2 14593 - 1
has 4393 decimal digits
takes 0.000 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
Actual2672,036.176179.1045%250000000427500000000.886614.9574%2,037.062782.2299%
Target2440.000268.1818%500100000.00001.4183%0.000268.6331%
Difference+23+2,036.1759+10.9227%+249999500+42749990000+0.8866+13.5392%+2,037.0625+13.5968%

Known prime factors (5 factors, 135.6 bits, 0.92917059% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1459387559516.4183
3
-135.986e-133.832e-107.033e-10
14593933953619.83332
25
2008-08-2632324.819e-121.106e-82.251e-8
1459330122286891031.488103208
23 × 7 × 19 × 97
2008-08-2619972.626e-88.035e-91.336e-8
1459342114230571031.972144296
23 × 17 × 1061
2008-08-261710612.417e-82.553e-83.729e-8
14593633691101771135.8832171216
24 × 135701
2008-08-26161357016.148e-72.560e-64.772e-6

26 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-08-01ViliamF325000000042750000000-
skipped known factor: 87559
skipped known factor: 933953
skipped known factor: 3012228689
skipped known factor: 4211423057
skipped known factor: 63369110177
--0.887--14.957%
2021-08-27Seth_TrManual testing400000000400000000-
skipped known factor: 87559
skipped known factor: 933953
skipped known factor: 3012228689
skipped known factor: 4211423057
skipped known factor: 63369110177
--0.138--7.865%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-08-26ANONYMOUSManual testing??31.488106.65354e-90.0003.21134e-7
2008-08-26ANONYMOUSManual testing??31.972104.56582e-90.0002.20370e-7
2008-08-26ANONYMOUSManual testing??35.883113.01175e-70.0001.44853e-5
2008-08-26ANONYMOUSManual testing??19.83363.31510e-140.0001.60041e-12


ECM factoring results:
Total ECM effort:23.149 GHz-days
Estimated T-Level:36.619
DigitsB1CompleteFacMiss
2011000499.4670.000%
2550000109.9770.000%
3025000019.0650.000%
3510000002.7146.627%
4030000000.32472.337%
45110000000.03496.685%
50440000000.00399.693%


ECM Summary

B1B2factorcurvesGHz-days
5000050000001480.037
250000250000005510.685
50000050000000100.025
10000001000000001,4217.066
30000003000000001,02815.34


Lucas-Lehmer results:
No L-L results for M14593


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21Oliver KruseOliver-PC
87559
933953
3012228689
4211423057
63369110177
360900243CB7C86Fno
2017-09-21Oliver KruseManual testing
87559
933953
3012228689
4211423057
63369110177
360900243CB7C86Fno
2017-10-02kkmrkkblmbrbkManual testing
87559
933953
3012228689
4211423057
63369110177
360900243CB7C8__no
2017-12-07ATHManual testing
87559
933953
3012228689
4211423057
63369110177
360900243CB7C8__no
2020-04-17Oliver KruseManual testing
87559
933953
3012228689
4211423057
63369110177
928EF902853525__no


P-1 factor-bounds graph:
B1 = 250000000, B2 = 42750000000 (P-1 stage 2)
B1 = 400000000 (P-1 stage 1)
B1 = 250000000 (P-1 stage 1)
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102
103
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105
106
107
108
109
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
2
this exponent TF target: 44
TF double-checked to: 67.7
ECM T-Level=36.62 ~= 105-bit
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Last modified: 2023-03-25T13:08:14+00:00