is 2 697720417 - 1
has 210034775 decimal digits
takes 22,619.385 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
Actual2710.685257.7465%----0.685257.7465%0.0000%
PrimeNet280350.952362.5000%2600000180000000576.55865.6317%927.510964.6119%2.1119%
GPU722845,615.240064.2857%4000000180000000638.78364.2186%6,254.023665.7924%1.5067%
Difference-13-5,614.5548-6.5392%-4000000-180000000-638.7836-4.2186%-6,253.3384-8.0459%-8.0459%

Known prime factors (1 factor, 71.3 bits, 0.00001022% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69772041729455260116175665956392271.3192110821139707
3 × 72 × 79 × 181 × 311 × 3229
2020-09-2831132291.08090.02210.0298

P-1 results:
No P-1 results for M697720417


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-06-25T04:50:00Architects Cubedm1_67263264--0.003--
2012-01-25T09:42:00laleraManual testing264265--0.005--
2013-11-21T06:30:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing266268--0.064--
2022-08-10T19:29:59LordJuliusManual testing21268--0.085--
2017-06-15T23:36:36ConductorManual testing268269--0.086--
2018-09-21T21:36:58srow7Manual testing269270--0.171--
2018-11-29T16:43:13Niels_Mache_NextcloudManual testing270271--0.343--
2020-09-28T17:25:11SRBaseManual testing271272*71.319220.39646,3520.811


ECM factoring results:
No ECM results for M697720417


Lucas-Lehmer results:
No L-L results for M697720417


PRP results:
No PRP results for M697720417


P-1 factor-bounds graph:
101
102
103
101
102
103
104
TF factor-bounds graph:
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:59+00:00