is 2 697745857 - 1
has 210042433 decimal digits
takes 22,620.210 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%
PrimeNet280350.939562.5000%2600000180000000576.55865.6318%927.498164.6119%2.1119%
GPU722845,615.035364.2857%4000000180000000638.78364.2186%6,253.818965.7924%1.5067%
Difference-16-5,614.9499-8.4034%-4000000-180000000-638.7836-4.2186%-6,253.7335-9.9100%-9.9100%

Known prime factors (2 factors, 134.2 bits, 0.00001924% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6977458571476996757443214786492167.001105840596732
22 × 13 × 89 × 22869619
2014-09-1589228696190.045758.575109.40
6977458571731671177750444220492167.231124090394832
24 × 32 × 861738853
2014-09-15168617388530.07772,207.04,122.1

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
6977458572557672714495278940290672924617129833180141134.232
P-1 results:
No P-1 results for M697745857


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T10:30:00Architects Cubedm1_56263264--0.003--
2012-01-25T11:37:00laleraManual testing264265--0.005--
2013-11-23T03:13:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing26626867.001210.02446,3550.050
2014-09-15T13:27:00sasakiManual testing26626867.231210.05746,3550.116
2022-08-10T19:30:01LordJuliusManual testing2126867.001210.04646,3550.094
2022-08-10T19:30:01LordJuliusManual testing2126867.231210.07846,3550.159


ECM factoring results:
No ECM results for M697745857


Lucas-Lehmer results:
No L-L results for M697745857


PRP results:
No PRP results for M697745857


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:01+00:00