is 2 697880747 - 1
has 210083039 decimal digits
takes 22,624.583 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%
PrimeNet280350.871662.5000%2600000180000000576.55865.6319%927.430364.6119%2.1119%
GPU722845,613.950064.2857%4000000180000000638.78364.2187%6,252.733665.7924%1.5067%
Difference-17-5,613.9074-9.0618%-4000000-180000000-638.7836-4.2187%-6,252.6910-10.5685%-10.5685%

Known prime factors (2 factors, 131.3 bits, 0.00001882% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697880747205839433693630692712064.15814747464705
5 × 9337 × 315893
2012-01-2593373158930.01011.22401.5111
6978807471645539759694693174312167.157117895483345
5 × 98227 × 240047
2021-11-09982272400470.08064.98069.3972

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
697880747338716972255908779507817530837554076280140131.315
P-1 results:
No P-1 results for M697880747


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-01-25T14:36:00ANONYMOUSManual testing??64.158200.00546,3630.010
2012-01-26T14:41:00laleraManual testing??64.158200.00546,3630.010
2010-03-17T00:00:00lindedv4_computers261262--0.000--
Missing TF 62 - 63
2010-07-18T13:20:00Architects Cubedm1_44263264--0.003--
2022-03-27T01:49:33James HeinrichManual testing26426764.158200.00546,3630.010
2021-11-09T11:31:59TJAOIManual testing267268*67.157210.03846,3630.078


ECM factoring results:
No ECM results for M697880747


Lucas-Lehmer results:
No L-L results for M697880747


PRP results:
No PRP results for M697880747


P-1 factor-bounds graph:
102
103
104
105
102
103
104
105
106
TF factor-bounds graph:
268
267
264
262
2
250
260
270
280
290
2100
Last modified: 2022-03-27T01:49:33+00:00