is 2 697908907 - 1
has 210091516 decimal digits
takes 22,625.496 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
Actual2670.042655.2239%----0.042655.2239%0.0000%
PrimeNet280350.857562.5000%2600000180000000576.55865.6319%927.416164.6120%2.1120%
GPU722845,613.723564.2857%4000000180000000638.78364.2188%6,252.507165.7924%1.5067%
Difference-17-5,613.6809-9.0618%-4000000-180000000-638.7836-4.2188%-6,252.4645-10.5685%-10.5685%

Known prime factors (1 factor, 65.5 bits, 0.00000939% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697908907523402888283247099672065.50537497937269
3 × 13 × 3301 × 291271
2013-11-1333012912710.01730.89271.3933

P-1 results:
No P-1 results for M697908907


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
TF assumed completed to 67 but no detailed record exists
2010-06-22T21:50:00Architects Cubedm1_18263264--0.003--
2012-01-25T15:56:00laleraManual testing264265--0.005--
2013-11-13T23:22:00sasakiManual testing26526665.505200.00746,3650.014


ECM factoring results:
No ECM results for M697908907


Lucas-Lehmer results:
No L-L results for M697908907


PRP results:
No PRP results for M697908907


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
267
266
265
264
262
250
260
270
280
290
2100
Last modified: 2013-11-13T23:22:50+00:00