is 2 13278709 - 1
has 3997290 decimal digits
takes 5.892 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.237764.1791%----2.237764.1791%0.0000%
PrimeNet2640.268062.5000%6000017000000.09614.3505%0.364164.1315%1.6315%
GPU722684.488864.7059%9000024000000.13893.1787%4.627665.8278%1.1219%
Difference-1-2.2510-0.5268%-90000-2400000-0.1389-3.1787%-2.3899-1.6487%-1.6487%

Known prime factors (2 factors, 128.6 bits, 0.00096821% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
132787097116017548362173511859.30426794839575
52 × 7 × 23 × 6657103
2000-09-082566571030.01060.23340.4358
132787097076278646871997522392169.26226645205670491
3 × 67 × 82729 × 1602379
2021-08-1882729160237915.6390.10650.1083

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1327870950354923028241670354415444763115289888939128.565
P-1 results:
Exponent "13278709" not found


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-08-18T09:53:04ATHec2-P_11000001000000027P-12169.2620.403


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-09-08T00:00:00ANONYMOUSv4_computers??59.304180.00512.250.010


ECM factoring results:
Exponent "13278709" not found


Lucas-Lehmer results:
Exponent "13278709" not found


PRP results:
Exponent "13278709" not found


P-1 factor-bounds graph:
B1 = 100000, B2 = 10000000 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
100
101
102
103
104
105
100
101
102
103
104
105
106
107
TF factor-bounds graph:
267
2
250
260
270
280
290
2100
Last modified: 2021-08-18T09:53:04+00:00