is 2 13782557 - 1
has 4148964 decimal digits
takes 6.115 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
Actual2672.155964.1791%----2.155964.1791%0.0000%
PrimeNet2650.529363.0769%6000019000000.10313.9928%0.632464.5512%1.4743%
GPU722698.662265.2174%9000022000000.13192.7911%8.794066.1882%0.9708%
Difference-2-6.5063-1.0383%-90000-2200000-0.1319-2.7911%-6.6381-2.0091%-2.0091%

Known prime factors (2 factors, 81.9 bits, 0.00059388% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1378255782695343826.3013
3
-136.491e-137.134e-71.309e-6
13782557527874658462821191755.5511915009887
3 × 7 × 103 × 593 × 1493
2015-08-0659314930.00050.00040.0008

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1378255743652775942590851054718172581.852
P-1 results:
No P-1 results for M13782557


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-01-31T12:19:00TJAOIManual testing255256*55.551170.00012.960.000


ECM factoring results:
No ECM results for M13782557


Lucas-Lehmer results:
No L-L results for M13782557


PRP results:
No PRP results for M13782557


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
TF factor-bounds graph:
267
256
220
230
240
250
260
270
280
290
2100
Last modified: 2015-08-06T15:20:19+00:00