is 2 67058447 - 1
has 20186605 decimal digits
takes 169.509 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
Actual2670.443161.1940%----0.443161.1940%0.0000%
PrimeNet2703.563362.8571%280000130000003.56645.3195%7.129764.8329%1.9758%
GPU7227457.052764.8649%450000150000004.55493.9288%61.607666.2453%1.3804%
Difference-7-56.6096-3.6708%-450000-15000000-4.5549-3.9288%-61.1645-5.0512%-5.0512%

Known prime factors (1 factor, 39.7 bits, 0.00005916% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
670584478755150840331239.6716528
27 × 3 × 17
-1281281.543e-90.00050.0010

P-1 results:
No P-1 results for M67058447


Trial Factoring results:
No TF results for M67058447


ECM factoring results:
No ECM results for M67058447


Lucas-Lehmer results:
No L-L results for M67058447


PRP results:
No PRP results for M67058447


P-1 factor-bounds graph:
101
102
103
101
102
103
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100