is 2 697778369 - 1
has 210052220 decimal digits
takes 22,621.264 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%
PrimeNet280350.923162.5000%2600000180000000576.55865.6318%927.481764.6119%2.1119%
GPU722845,614.773764.2857%4000000180000000638.78364.2187%6,253.557365.7924%1.5067%
Difference-16-5,614.6883-8.4034%-4000000-180000000-638.7836-4.2187%-6,253.4719-9.9100%-9.9100%

Known prime factors (1 factor, 67.8 bits, 0.00000972% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6977783692563101859192140525192167.796183661601811
3 × 751 × 81518687
2014-09-17751815186870.0625208.81389.94

P-1 results:
No P-1 results for M697778369


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T10:50:00Architects Cubedm1_09263264--0.003--
2012-01-25T14:30:00ANONYMOUSManual testing264265--0.005--
2012-01-26T11:57:00laleraManual testing264265--0.005--
2013-11-23T03:14:00sasakiManual testing265266--0.011--
2014-09-17T09:25:00sasakiManual testing26626867.796210.04146,3570.085
2022-08-10T19:30:04LordJuliusManual testing2126867.796210.06346,3570.128


ECM factoring results:
No ECM results for M697778369


Lucas-Lehmer results:
No L-L results for M697778369


PRP results:
No PRP results for M697778369


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:04+00:00