is 2 697780661 - 1
has 210052910 decimal digits
takes 22,621.338 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%
PrimeNet280350.922062.5000%2600000180000000576.55865.6318%927.480664.6119%2.1119%
GPU722845,614.755264.2857%4000000180000000638.78364.2187%6,253.538865.7924%1.5067%
Difference-16-5,614.6698-8.4034%-4000000-180000000-638.7836-4.2187%-6,253.4534-9.9100%-9.9100%

Known prime factors (1 factor, 64.3 bits, 0.00000921% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697780661221439706706586714472064.26415867429343
331 × 881 × 54413
2012-01-25881544130.00790.17850.2603

P-1 results:
No P-1 results for M697780661


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-01-25T14:30:00ANONYMOUSManual testing??64.264200.00346,3570.006
2012-01-26T11:57:00laleraManual testing??64.264200.00346,3570.006
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T10:51:00Architects Cubedm1_61263264--0.003--
2022-08-10T19:30:04LordJuliusManual testing2126864.264200.00846,3570.016


ECM factoring results:
No ECM results for M697780661


Lucas-Lehmer results:
No L-L results for M697780661


PRP results:
No PRP results for M697780661


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
TF factor-bounds graph:
268
264
262
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:04+00:00