is 2 46478167 - 1
has 13991323 decimal digits
takes 80.691 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
Actual2681.282461.7647 %----1.282461.7647 %
Target27220.576063.8889 %320000550000008.30514.1133 %28.881065.3743 %
Difference-4-19.2935-2.1242 %-320000-55000000-8.3051-4.1133 %-27.5986-3.6096 %

Known prime factors (1 factor, 68.7 bits, 0.00014774% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
464781674693231531702844520792168.6695048856091617
3 × 13 × 17 × 839 × 9076481
2009-10-0283990764812.38411.24692.3251

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-10-02cjpedenJTMemorial2168.6693.5730.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-02-03ANONYMOUSv4_computers212680.643


ECM factoring results:
No ECM results for M46478167


Lucas-Lehmer results:
No L-L results for M46478167


PRP results:
No PRP results for M46478167


CERT results:
No CERT results for M46478167


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
268
this exponent TF target: 72
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00