is 2 19570253 - 1
has 5891234 decimal digits
takes 12.476 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2671.518362.6866%----1.518362.6866%1.1481%
PrimeNet2650.372861.5385%9000032000000.23984.9821%0.612666.5206%4.9821%
GPU722696.100463.7681%14000040000000.32383.6166%6.424267.3847%3.6166%
Difference-2-4.5821-1.0815%-140000-4000000-0.3238-3.6166%-4.9059-4.6981%-4.6981%

Known prime factors (2 factors, 122.9 bits, 0.00062794% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
19570253999793887556638471756.4722554371391
11 × 13 × 383 × 46639
-383466390.00060.00270.0044
19570253985716266599850893132066.4182518404505552
24 × 132 × 59 × 197 × 227 × 353
2020-03-172273531.01120.00020.0004

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
19570253985513098211680792557117399690016711137122.890
P-1 results:
Exponent "19570253" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2020-03-17T10:27:32TJAOIManual testing26626766.418200.25725.440.523


ECM factoring results:
Exponent "19570253" not found


Lucas-Lehmer results:
Exponent "19570253" not found


PRP results:
Exponent "19570253" not found


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
TF factor-bounds graph:
267
250
260
270
280
290
2100
Last modified: 2020-03-17T10:27:32+00:00