is 2 64836377 - 1
has 19517695 decimal digits
takes 157.273 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
Actual2670.458361.1940%----0.458361.1940%0.0000%
PrimeNet2703.685462.8571%280000130000003.42245.2974%7.107864.8248%1.9676%
GPU7227459.008064.8649%450000140000004.17943.8605%63.187466.2213%1.3564%
Difference-7-58.5497-3.6708%-450000-14000000-4.1794-3.8605%-62.7291-5.0272%-5.0272%

Known prime factors (1 factor, 30.5 bits, 0.00004710% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6483637715560730491030.53512
22 × 3
-442.212e-121.407e-52.863e-5

P-1 results:
No P-1 results for M64836377


Trial Factoring results:
No TF results for M64836377


ECM factoring results:
No ECM results for M64836377


Lucas-Lehmer results:
No L-L results for M64836377


PRP results:
No PRP results for M64836377


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