is 2 2599189 - 1
has 782434 decimal digits
takes 0.180 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
Actual26711.432067.1642 %3600002881771201.61337.9287 %13.045369.7676 %
Target2630.614065.0794 %1200010000000.00661.5302 %0.620765.6137 %
Difference+4+10.8180+2.0848 %+348000+287177120+1.6067+6.3985%+12.4246+4.1539 %

Known prime factors (2 factors, 107.5 bits, 0.00413527% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
259918937428321611031.801720
24 × 32 × 5
-16161.272e-101.609e-63.275e-6
2599189606102454487832288121372375.68211659453285002212
22 × 192 × 139 × 136373 × 425959
2019-02-091363734259595,640.70.01530.0279

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-02-09alpertronlaptop22000000200000012375.6820.2015.220%
2022-09-02USAFSS6917th_Scty_Sq360000288177120
skipped known factor: 3742832161
skipped known factor: 60610245448783228812137
--1.98011.194%


Trial Factoring results:
5758596061626364656667
No TF results for M2599189


ECM factoring results:
Total ECM effort:0.277 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.277


Lucas-Lehmer results:
No L-L results for M2599189


PRP results:
dateuseridcompidcofactorsres64
2017-10-15Oliver KruseGTX-1
3742832161
6336A0E02A0E97FD
2017-12-02kkmrkkblmbrbkc4.xlarge
3742832161
6336A0E02A0E97FD
2019-02-09ATHec2-PRPCF
3742832161
60610245448783228812137
6336A0E02A0E97FD


CERT results:
No CERT results for M2599189


P-1 factor-bounds graph:
B1 = 360000, B2 = 288177120 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
B1 = 360000 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
this exponent TF target: 63
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
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280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00