is 2 697873009 - 1
has 210080709 decimal digits
takes 22,624.332 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
Actual2680.085455.8824%----0.085455.8824%0.0000%
PrimeNet280350.875562.5000%2600000180000000576.55865.6319%927.434164.6119%2.1119%
GPU722845,614.012264.2857%4000000180000000638.78364.2187%6,252.795965.7924%1.5067%
Difference-16-5,613.9268-8.4034%-4000000-180000000-638.7836-4.2187%-6,252.7104-9.9100%-9.9100%

Known prime factors (1 factor, 66.9 bits, 0.00000959% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978730091389161041972670041992166.91399528211011
3 × 293 × 113228909
2014-09-172931132289090.0386290.00541.62

P-1 results:
No P-1 results for M697873009


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
Missing TF 62 - 63
2010-06-22T22:50:00Architects Cubeda3_sb263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:39:00laleraManual testing264265--0.005--
2013-11-24T10:35:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing26626866.913210.01746,3630.036


ECM factoring results:
No ECM results for M697873009


Lucas-Lehmer results:
No L-L results for M697873009


PRP results:
No PRP results for M697873009


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2014-09-17T09:26:12+00:00