is 2 697887677 - 1
has 210085125 decimal digits
takes 22,624.808 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
Actual2680.042655.2239%----0.042655.2239%0.0000%
PrimeNet280350.868262.5000%2600000180000000576.55865.6319%927.426864.6120%2.1120%
GPU722845,613.894264.2857%4000000180000000638.78364.2187%6,252.677965.7924%1.5067%
Difference-16-5,613.8517-9.0618%-4000000-180000000-638.7836-4.2187%-6,252.6353-10.5685%-10.5685%

Known prime factors (1 factor, 66.1 bits, 0.00000947% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697887677779098971388897741032066.07855818364263
3 × 18606121421
2014-09-173186061214210.021747,65289,001

P-1 results:
No P-1 results for M697887677


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
Missing TF 62 - 63
2010-07-18T13:30:00Architects Cubedm1_04263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:40:00laleraManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing26626866.078200.00146,3640.001


ECM factoring results:
No ECM results for M697887677


Lucas-Lehmer results:
No L-L results for M697887677


PRP results:
No PRP results for M697887677


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
268
267
266
265
264
262
250
260
270
280
290
2100
Last modified: 2014-09-17T09:26:22+00:00