is 2 697773889 - 1
has 210050871 decimal digits
takes 22,621.119 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%
PrimeNet280350.925462.5000%2600000180000000576.55865.6318%927.484064.6119%2.1119%
GPU722845,614.809764.2857%4000000180000000638.78364.2187%6,253.593365.7924%1.5067%
Difference-16-5,614.7243-8.4034%-4000000-180000000-638.7836-4.2187%-6,253.5079-9.9100%-9.9100%

Known prime factors (1 factor, 64.6 bits, 0.00000926% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697773889281389936421385731112064.60920163403995
3 × 5 × 7 × 163 × 1178113
2012-01-2516311781130.00603.02455.6354

P-1 results:
No P-1 results for M697773889


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-01-25T14:30:00ANONYMOUSManual testing??64.609200.00146,3570.002
2012-01-26T11:57:00laleraManual testing??64.609200.00146,3570.002
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T10:50:00Architects Cubedm1_54263264--0.003--
2022-08-10T19:30:03LordJuliusManual testing2126864.609200.00646,3570.012


ECM factoring results:
No ECM results for M697773889


Lucas-Lehmer results:
No L-L results for M697773889


PRP results:
No PRP results for M697773889


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
268
264
262
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:03+00:00