is 2 3568753 - 1
has 1074302 decimal digits
takes 0.375 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
Actual2678.326167.1642 %1000001303648501.09615.9704 %9.422269.1246 %
Target2640.997465.6250 %2000020000000.01951.9773 %1.016866.3047 %
Difference+3+7.3288+1.5392 %+80000+128364850+1.0766+3.9931%+8.4054+2.8199 %

Known prime factors (2 factors, 123.9 bits, 0.00347177% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
35687534655754551390871548.72665229431
79 × 825689
-798256892.022e-50.00690.0128
3568753425903468556730161257532375.1735967118886579292
22 × 3 × 13 × 23 × 32621 × 50981779
2022-05-2832621509817792,706.60.42770.7901

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-03-01JossManual testing100000100000--0.0151.530%
2022-05-28JossManual testing10000013036485022375.1731.3028.069%


Trial Factoring results:
5758596061626364656667
No TF results for M3568753


ECM factoring results:
Total ECM effort:0.444 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.444


Lucas-Lehmer results:
No L-L results for M3568753


PRP results:
dateuseridcompidcofactorsres64
2017-11-09Oliver KruseGTX-1
465575455139087
AC1283CE26BAC794
2017-12-18kkmrkkblmbrbkc4.xlarge
465575455139087
AC1283CE26BAC794
2022-06-03XZT600G2Mini3
465575455139087
42590346855673016125753
AC1283CE26BAC794


CERT results:
dateuseridcompid
2022-06-03Lukas Hain9900k


P-1 factor-bounds graph:
B1 = 100000, B2 = 130364850 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
this exponent TF target: 64
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00