is 2 83404631 - 1
has 25107296 decimal digits
takes 260.263 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
Actual2670.356359.7015 %----0.356359.7015 %
Target27591.744464.0000 %5500009500000025.77233.9349 %117.516765.4166 %
Difference-8-91.3881-4.2985 %-550000-95000000-25.7723-3.9349 %-117.1604-5.7151 %

Known prime factors (2 factors, 82.7 bits, 0.00009916% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
83404631166809263927.3141
1
2007-08-13112.144e-134.525e-69.209e-6
83404631471007037615809431755.387282362641
11 × 53 × 484327
2015-01-22534843278.372e-50.11960.2230

1 Composite Factors:
P-1 results:
No P-1 results for M83404631


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2015-01-22TJAOIManual testing255256*
55.387
17
2.22476e-5


ECM factoring results:
No ECM results for M83404631


Lucas-Lehmer results:
No L-L results for M83404631


PRP results:
No PRP results for M83404631


CERT results:
No CERT results for M83404631


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
TF factor-bounds graph:
this exponent TF target: 75
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