is 2 56082989 - 1
has 16882662 decimal digits
takes 118.865 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
Actual2670.529861.1940 %----0.529861.1940 %
Target27334.107464.3836 %3600006000000011.09223.9398 %45.199665.7868 %
Difference-6-33.5776-3.1895 %-360000-60000000-11.0922-3.9398 %-44.6698-4.5928 %

Known prime factors (3 factors, 134.8 bits, 0.00024031% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5608298958326308571032.44152
22 × 13
-4131.032e-111.380e-52.502e-5
56082989613547899671135.836547
547
2008-09-1015479.128e-119.449e-50.0002
560829891040160413739577662792166.495927340386351
3 × 309113462117
2020-04-2233091134621170.356351,75796,667

4 Composite Factors:
P-1 results:
No P-1 results for M56082989


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-10Will EdgingtonManual testing??
35.836
11
2020-04-22TJAOIManual testing266267*
66.495
21
0.132


ECM factoring results:
No ECM results for M56082989


Lucas-Lehmer results:
No L-L results for M56082989


PRP results:
No PRP results for M56082989


CERT results:
No CERT results for M56082989


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00