is 2 697737281 - 1
has 210039851 decimal digits
takes 22,619.932 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%
PrimeNet280350.943862.5000%2600000180000000576.55865.6317%927.502464.6119%2.1119%
GPU722845,615.104364.2857%4000000180000000638.78364.2186%6,253.887965.7924%1.5067%
Difference-16-5,615.0189-8.4034%-4000000-180000000-638.7836-4.2186%-6,253.8025-9.9100%-9.9100%

Known prime factors (1 factor, 64.5 bits, 0.00000924% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697737281256794392675063467132064.47718401940076
22 × 13 × 191 × 1852793
2012-01-2519118527930.01004.75378.8627

P-1 results:
No P-1 results for M697737281


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-01-25T11:37:00laleraManual testing??64.477200.00546,3540.010
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T10:20:00Architects Cubedm1_19263264--0.003--
2022-08-10T19:30:01LordJuliusManual testing2126864.477200.01046,3540.020


ECM factoring results:
No ECM results for M697737281


Lucas-Lehmer results:
No L-L results for M697737281


PRP results:
No PRP results for M697737281


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: 2022-08-10T19:30:01+00:00