is 2 117780427 - 1
has 35455442 decimal digits
takes 543.917 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
Actual2670.252359.7015 %----0.252359.7015 %
Target276129.936664.4737 %80000014000000056.14084.2085 %186.077465.9688 %
Difference-9-129.6844-4.7722 %-800000-140000000-56.1408-4.2085 %-185.8251-6.2673 %

Known prime factors (1 factor, 50.5 bits, 0.00004290% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11778042716219372998355131650.5276885428
22 × 11 × 156487
2007-09-27111564871.273e-60.05720.1066

P-1 results:
No P-1 results for M117780427


Trial Factoring results:
5758596061626364656667686970717273747576
No TF results for M117780427


ECM factoring results:
No ECM results for M117780427


Lucas-Lehmer results:
No L-L results for M117780427


PRP results:
No PRP results for M117780427


CERT results:
No CERT results for M117780427


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
TF factor-bounds graph:
this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-02-09T03:30:02+00:00