is 2 104890679 - 1
has 31575241 decimal digits
takes 417.632 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
Actual2670.283359.7015%----0.283359.7015%0.0000%
PrimeNet2729.117462.5000%450000220000009.37655.3953%18.493964.5232%2.0232%
GPU72276145.904264.4737%6500002400000011.09733.9265%157.001565.8686%1.3949%
Difference-9-145.6209-4.7722%-650000-24000000-11.0973-3.9265%-156.7183-6.1671%-6.1671%

Known prime factors (1 factor, 39.2 bits, 0.00003741% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1048906796496928657271239.2413097
19 × 163
2007-09-19191631.166e-90.00020.0002

P-1 results:
No P-1 results for M104890679


Trial Factoring results:
No TF results for M104890679


ECM factoring results:
No ECM results for M104890679


Lucas-Lehmer results:
No L-L results for M104890679


PRP results:
No PRP results for M104890679


P-1 factor-bounds graph:
100
101
102
100
101
102
103
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2007-09-19T11:17:50+00:00