is 2 697903957 - 1
has 210090026 decimal digits
takes 22,625.335 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
Actual2700.342457.1429%----0.342457.1429%0.0000%
PrimeNet280350.860062.5000%2600000180000000576.55865.6319%927.418664.6120%2.1120%
GPU722845,613.763364.2857%4000000180000000638.78364.2187%6,252.546965.7924%1.5067%
Difference-14-5,613.4209-7.1429%-4000000-180000000-638.7836-4.2187%-6,252.2045-8.6496%-8.6496%

Known prime factors (1 factor, 69.1 bits, 0.00000990% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6979039576368141382637636732632169.109456233362683
3 × 7 × 7883 × 2755981
2018-09-22788327559810.18907.408713.183

P-1 results:
No P-1 results for M697903957


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
Missing TF 62 - 63
2010-07-18T13:30:00Architects Cubedm1_55263264--0.003--
2012-01-25T15:55:00laleraManual testing264265--0.005--
2013-11-13T23:21:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing266268--0.064--
2017-06-17T00:58:59ConductorManual testing268269--0.086--
2018-09-22T22:17:22srow7Manual testing26927069.109210.01846,3650.037


ECM factoring results:
No ECM results for M697903957


Lucas-Lehmer results:
No L-L results for M697903957


PRP results:
No PRP results for M697903957


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2018-09-22T22:17:22+00:00