is 2 697899409 - 1
has 210088657 decimal digits
takes 22,625.188 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
Actual2710.685057.7465%----0.685057.7465%0.0000%
PrimeNet280350.862362.5000%2600000180000000576.55865.6319%927.420964.6120%2.1120%
GPU722845,613.799964.2857%4000000180000000638.78364.2187%6,252.583565.7924%1.5067%
Difference-13-5,613.1149-6.5392%-4000000-180000000-638.7836-4.2187%-6,251.8985-8.0459%-8.0459%

Known prime factors (1 factor, 71.5 bits, 0.00001024% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69789940933321870872764902080092271.4972387297541956
22 × 37 × 41 × 751 × 523867
2020-09-287515238671.15611.37512.5059

P-1 results:
No P-1 results for M697899409


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
Missing TF 62 - 63
2010-06-22T21:50:00Architects Cubedm1_57263264--0.003--
2012-01-25T14:36:00ANONYMOUSManual testing264265--0.005--
2013-11-26T02:48:00sasakiManual testing265266--0.011--
2013-12-04T10:00:00sasakiManual testing266267--0.021--
2014-12-07T00:30:00sasakiManual testing267268--0.043--
2017-06-17T00:28:52ConductorManual testing268269--0.086--
2018-09-22T22:17:14srow7Manual testing269270--0.171--
2018-11-29T16:45:43Niels_Mache_NextcloudManual testing270271--0.343--
2020-09-28T17:12:09SRBaseManual testing271272*71.497220.47146,3630.965


ECM factoring results:
No ECM results for M697899409


Lucas-Lehmer results:
No L-L results for M697899409


PRP results:
No PRP results for M697899409


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
262
250
260
270
280
290
2100
Last modified: 2020-09-28T17:12:09+00:00