is 2 697787851 - 1
has 210055074 decimal digits
takes 22,621.571 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%
PrimeNet280350.918362.5000%2600000180000000576.55865.6318%927.477064.6119%2.1119%
GPU722845,614.697464.2857%4000000180000000638.78364.2187%6,253.481065.7924%1.5067%
Difference-16-5,614.6120-8.4034%-4000000-180000000-638.7836-4.2187%-6,253.3956-9.9100%-9.9100%

Known prime factors (1 factor, 64.7 bits, 0.00000928% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697787851307855188754447852812064.73922059368640
26 × 32 × 5 × 17 × 349 × 1291
2012-01-2534912910.00570.01880.0334

P-1 results:
No P-1 results for M697787851


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-01-25T14:30:00ANONYMOUSManual testing??64.739200.00146,3580.001
2012-01-26T11:57:00laleraManual testing??64.739200.00146,3580.001
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T11:20:00Architects Cubedm1_54263264--0.003--
2022-08-10T19:30:05LordJuliusManual testing2126864.739200.00646,3580.012


ECM factoring results:
No ECM results for M697787851


Lucas-Lehmer results:
No L-L results for M697787851


PRP results:
No PRP results for M697787851


P-1 factor-bounds graph:
101
102
103
101
102
103
104
TF factor-bounds graph:
268
264
262
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:05+00:00