is 2 697651781 - 1
has 210014113 decimal digits
takes 22,617.160 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%
PrimeNet280350.986862.5000%2600000180000000576.55865.6317%927.545464.6119%2.1119%
GPU722845,615.792564.2857%4000000180000000638.78364.2186%6,254.576165.7924%1.5066%
Difference-16-5,615.7070-8.4034%-4000000-180000000-638.7836-4.2186%-6,254.4906-9.9100%-9.9100%

Known prime factors (1 factor, 66.1 bits, 0.00000948% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697651781805882930870720785372066.12757756817428
22 × 3 × 173 × 2399 × 11597
2014-09-152399115970.03470.13630.2295

P-1 results:
No P-1 results for M697651781


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T08:20:00Architects Cubedm1_03263264--0.003--
2012-01-25T11:34:00laleraManual testing264265--0.005--
2013-11-11T09:50:00sasakiManual testing265266--0.011--
2014-09-15T13:26:00sasakiManual testing26626866.127200.01446,3490.028
2022-08-10T19:29:54LordJuliusManual testing2126866.127200.03546,3490.071


ECM factoring results:
No ECM results for M697651781


Lucas-Lehmer results:
No L-L results for M697651781


PRP results:
No PRP results for M697651781


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