is 2 697718561 - 1
has 210034216 decimal digits
takes 22,619.325 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%
PrimeNet280350.953262.5000%2600000180000000576.55865.6317%927.511864.6119%2.1119%
GPU722845,615.255064.2857%4000000180000000638.78364.2186%6,254.038665.7924%1.5067%
Difference-16-5,615.1695-8.4034%-4000000-180000000-638.7836-4.2186%-6,253.9532-9.9100%-9.9100%

Known prime factors (1 factor, 66.6 bits, 0.00000954% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6977185611111564363312502542812166.59179657072740
22 × 32 × 5 × 7 × 2671 × 23669
2014-09-152671236690.03480.17930.2555

P-1 results:
No P-1 results for M697718561


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T09:50:00Architects Cubedm1_46263264--0.003--
2012-01-25T09:42:00laleraManual testing264265--0.005--
2013-11-21T06:30:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing26626866.591210.01446,3530.028
2022-08-10T19:29:59LordJuliusManual testing2126866.591210.03546,3530.071


ECM factoring results:
No ECM results for M697718561


Lucas-Lehmer results:
No L-L results for M697718561


PRP results:
No PRP results for M697718561


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:59+00:00