is 2 104819389 - 1
has 31553781 decimal digits
takes 417.349 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
Actual2670.283559.7015%----0.283559.7015%0.0000%
PrimeNet2729.123662.5000%450000220000009.37655.3948%18.500164.5231%2.0231%
GPU72276146.003564.4737%6500002400000011.09733.9262%157.100865.8685%1.3948%
Difference-9-145.7200-4.7722%-650000-24000000-11.0973-3.9262%-156.8173-6.1670%-6.1670%

Known prime factors (2 factors, 85.2 bits, 0.00008131% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10481938956602470071032.39827
33
2007-09-1927275.491e-120.00020.0003
10481938980023968411147371652.82938172312
23 × 32 × 41 × 67 × 193
2014-08-26671938.043e-60.00040.0008

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
104819389452955427687459446478421592685.228
P-1 results:
No P-1 results for M104819389


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-08-26T11:21:00TJAOIManual testing??52.829162.31924e-6858.94.77288e-6


ECM factoring results:
No ECM results for M104819389


Lucas-Lehmer results:
No L-L results for M104819389


PRP results:
No PRP results for M104819389


P-1 factor-bounds graph:
100
101
102
100
101
102
103
TF factor-bounds graph:
267
2
230
240
250
260
270
280
290
2100
Last modified: 2014-08-26T11:21:39+00:00