is 2 33543971 - 1
has 10097742 decimal digits
takes 39.694 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L32D52195CE6AFBB2double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2681.776963.2353 %35500038162500.93274.8029 %2.709665.0011 %
Target27114.252364.7887 %240000350000003.66133.8335 %17.913666.1385 %
Difference-3-12.4754-1.5534 %+115000-31183750-2.7286+0.9695%-15.2040-1.1375 %

Known prime factors (1 factor, 68.4 bits, 0.00020393% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
335439713915345958520579255992168.4085836139612869
197 × 36341 × 815197
2012-09-02363418151972.55960.13520.1423

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-11-28Marvin Ray Burnsv4_computers3550003816250--0.9333.542%
2012-09-02Patrik JohanssonManual testing2168.4081.3730.000%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-10-23Marvin Ray Burnsv4_computers212680.891


ECM factoring results:
No ECM results for M33543971


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2003-11-28Marvin Ray Burnsv4_computers32D52195CE6AFBB239.69


PRP results:
No PRP results for M33543971


CERT results:
No CERT results for M33543971


P-1 factor-bounds graph:
B1 = 355000, B2 = 3816250 (P-1 stage 2)
B1 = 355000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
TF factor-bounds graph:
268
this exponent TF target: 71
TF double-checked to: 67
250
260
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280
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Last modified: 2024-03-13T02:15:48+00:00