is 2 697898731 - 1
has 210088452 decimal digits
takes 22,625.166 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
Actual2690.171156.5217%----0.171156.5217%0.0000%
PrimeNet280350.862662.5000%2600000180000000576.55865.6319%927.421264.6120%2.1120%
GPU722845,613.805364.2857%4000000180000000638.78364.2187%6,252.588965.7924%1.5067%
Difference-15-5,613.6343-7.7640%-4000000-180000000-638.7836-4.2187%-6,252.4179-9.2707%-9.2707%

Known prime factors (1 factor, 68.8 bits, 0.00000986% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978987315269514201366932285432168.836377527137341
83 × 163 × 1879 × 14851		2017-06-161879148510.13620.12150.1798

P-1 results:
No P-1 results for M697898731


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
Missing TF 62 - 63
2010-06-26T23:50:00Architects Cubedm1_51263264--0.003--
2012-01-25T14:36:00ANONYMOUSManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing265266--0.011--
2013-12-04T10:00:00sasakiManual testing266267--0.021--
2014-12-07T00:30:00sasakiManual testing267268--0.043--
2017-06-17T00:28:52ConductorManual testing26826968.836210.05146,3640.104


ECM factoring results:
No ECM results for M697898731


Lucas-Lehmer results:
No L-L results for M697898731


PRP results:
No PRP results for M697898731


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
269
268
267
266
265
264
262
250
260
270
280
290
2100
Last modified: 2017-06-17T00:28:52+00:00