is 2 13278401 - 1
has 3997197 decimal digits
takes 5.891 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
Actual2672.237864.1791%----2.237864.1791%0.0000%
PrimeNet2640.268162.5000%6000017000000.09614.3505%0.364164.1314%1.6314%
GPU722684.488964.7059%9000024000000.13893.1787%4.627765.8278%1.1219%
Difference-1-2.2511-0.5268%-90000-2400000-0.1389-3.1787%-2.3900-1.6487%-1.6487%

Known prime factors (2 factors, 123.3 bits, 0.00092849% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13278401782864779341771446.1542947888
24 × 19 × 9697
-1996977.561e-70.00040.0006
132784011659039900902616394619832477.1356247137365796591
32 × 112 × 97 × 15973 × 3702499
2021-08-181597337024994,396.20.13950.2424

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
132784011298803905939318751227317207156789299138123.289
P-1 results:
Exponent "13278401" not found


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-08-18T05:50:53ATHec2-P_11000001000000027P-12477.1350.403


Trial Factoring results:
Exponent "13278401" not found


ECM factoring results:
Exponent "13278401" not found


Lucas-Lehmer results:
Exponent "13278401" not found


PRP results:
Exponent "13278401" 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
240
250
260
270
280
290
2100
Last modified: 2021-08-18T05:50:53+00:00