is 2 18305537 - 1
has 5510516 decimal digits
takes 11.136 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
Actual2671.623262.6866%----1.623262.6866%0.0000%
PrimeNet2650.398661.5385%8000026000000.19174.6523%0.590263.3278%1.7893%
GPU722696.521963.7681%13000036000000.28143.4617%6.803365.0224%1.2543%
Difference-2-4.8987-1.0815%-130000-3600000-0.2814-3.4617%-5.1801-2.3358%-2.3358%

Known prime factors (1 factor, 27.1 bits, 0.00014818% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
18305537146444297927.1264
22
-449.776e-133.528e-67.181e-6

P-1 results:
No P-1 results for M18305537


Trial Factoring results:
No TF results for M18305537


ECM factoring results:
No ECM results for M18305537


Lucas-Lehmer results:
No L-L results for M18305537


PRP results:
No PRP results for M18305537


P-1 factor-bounds graph:
100
101
100
101
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100