is 2 697740047 - 1
has 210040684 decimal digits
takes 22,620.022 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
Actual2670.042655.2239%----0.042655.2239%0.0000%
PrimeNet280350.942462.5000%2600000180000000576.55865.6317%927.501064.6119%2.1119%
GPU722845,615.082164.2857%4000000180000000638.78364.2186%6,253.865765.7924%1.5067%
Difference-17-5,615.0395-9.0618%-4000000-180000000-638.7836-4.2186%-6,253.8231-10.5685%-1.5067%

Known prime factors (1 factor, 55.9 bits, 0.00000801% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697740047678280914377226411755.91348605560
23 × 5 × 409 × 2971
2008-04-3040929711.158e-50.02580.0391

P-1 results:
No P-1 results for M697740047


Trial Factoring results:
No TF results for M697740047


ECM factoring results:
No ECM results for M697740047


Lucas-Lehmer results:
No L-L results for M697740047


PRP results:
No PRP results for M697740047


P-1 factor-bounds graph:
101
102
103
101
102
103
104
TF factor-bounds graph:
267
250
260
270
280
290
2100
Last modified: 2008-04-30T10:46:27+00:00