is 2 697647439 - 1
has 210012806 decimal digits
takes 22,617.019 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%
PrimeNet280350.989062.5000%2600000180000000576.55865.6317%927.547664.6119%2.1119%
GPU722845,615.827464.2857%4000000180000000638.78364.2186%6,254.611065.7924%1.5066%
Difference-16-5,615.7420-8.4034%-4000000-180000000-638.7836-4.2186%-6,254.5256-9.9100%-9.9100%

Known prime factors (1 factor, 65.8 bits, 0.00000943% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697647439640512884020162576332065.79645905198544
24 × 32 × 47 × 6782683		2013-11-114767826830.012217.37332.444

P-1 results:
No P-1 results for M697647439


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-14T16:50:00Architects Cubedm1_41263264--0.003--
2012-01-25T11:34:00laleraManual testing264265--0.005--
2013-11-11T09:58:00sasakiManual testing26526665.796200.00246,3480.004
2022-08-10T19:29:54LordJuliusManual testing2126865.796200.01246,3480.025


ECM factoring results:
No ECM results for M697647439


Lucas-Lehmer results:
No L-L results for M697647439


PRP results:
No PRP results for M697647439


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:54+00:00