is 2 56248459 - 1
has 16932474 decimal digits
takes 119.215 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.528361.1940%----0.528361.1940%0.0000%
PrimeNet2692.122562.3188%240000100000002.37175.3706%4.494264.3425%2.0237%
GPU7227334.007164.3836%400000130000003.33904.0617%37.346065.8302%1.4466%
Difference-6-33.4788-3.1895%-400000-13000000-3.3390-4.0617%-36.8178-4.6362%-4.6362%

Known prime factors (1 factor, 50.9 bits, 0.00009057% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5624845921679069573574171650.94519270812
22 × 3 × 11 × 145991
2000-01-19111459913.124e-60.02450.0457

P-1 results:
No P-1 results for M56248459


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-01-19T00:00:00ANONYMOUSv4_computers??50.945164.57126e-7245.29.40160e-7
1999-12-15T00:00:00ANONYMOUSv4_computers21253--2.13326e-5--


ECM factoring results:
No ECM results for M56248459


Lucas-Lehmer results:
No L-L results for M56248459


PRP results:
No PRP results for M56248459


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
TF factor-bounds graph:
267
253
2
250
260
270
280
290
2100
Last modified: 2000-01-19T00:00:00+00:00