is 2 697901639 - 1
has 210089328 decimal digits
takes 22,625.260 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
Actual2680.042655.2239%----0.042655.2239%0.0000%
PrimeNet280350.861162.5000%2600000180000000576.55865.6319%927.419864.6120%2.1120%
GPU722845,613.781964.2857%4000000180000000638.78364.2187%6,252.565565.7924%1.5067%
Difference-16-5,613.7394-9.0618%-4000000-180000000-638.7836-4.2187%-6,252.5230-10.5685%-10.5685%

Known prime factors (1 factor, 66.8 bits, 0.00000957% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6979016391293840160992663780312166.81092695022385
3 × 5 × 7 × 43 × 487 × 42157
2014-09-17487421570.03530.12960.2017

P-1 results:
No P-1 results for M697901639


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
Missing TF 62 - 63
2010-07-14T17:30:00Architects Cubedm1_37263264--0.003--
2012-01-25T15:55:00laleraManual testing264265--0.005--
2013-11-13T23:21:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing26626866.810210.01446,3650.029


ECM factoring results:
No ECM results for M697901639


Lucas-Lehmer results:
No L-L results for M697901639


PRP results:
No PRP results for M697901639


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
TF factor-bounds graph:
268
267
266
265
264
262
250
260
270
280
290
2100
Last modified: 2014-09-17T09:26:24+00:00