is 2 697863883 - 1
has 210077962 decimal digits
takes 22,624.036 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%
PrimeNet280350.880162.5000%2600000180000000576.55865.6318%927.438764.6119%2.1119%
GPU722845,614.085764.2857%4000000180000000638.78364.2187%6,252.869365.7924%1.5067%
Difference-16-5,614.0002-8.4034%-4000000-180000000-638.7836-4.2187%-6,252.7839-9.9100%-9.9100%

Known prime factors (1 factor, 67.9 bits, 0.00000973% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978638832787483960392317016172167.918199715447976
23 × 3 × 11 × 17 × 139 × 320143		2014-09-171393201430.08300.82611.5314

P-1 results:
No P-1 results for M697863883


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
Missing TF 62 - 63
2010-07-18T12:51:00Architects Cubedm1_51263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T12:03:00laleraManual testing264265--0.005--
2013-11-24T10:35:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing26626867.918210.06246,3620.127


ECM factoring results:
No ECM results for M697863883


Lucas-Lehmer results:
No L-L results for M697863883


PRP results:
No PRP results for M697863883


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2014-09-17T09:26:06+00:00