is 2 697779521 - 1
has 210052567 decimal digits
takes 22,621.301 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
Actual2710.685157.7465%----0.685157.7465%0.0000%
PrimeNet280350.922562.5000%2600000180000000576.55865.6318%927.481264.6119%2.1119%
GPU722845,614.764464.2857%4000000180000000638.78364.2187%6,253.548065.7924%1.5067%
Difference-13-5,614.0793-6.5392%-4000000-180000000-638.7836-4.2187%-6,252.8629-8.0459%-8.0459%

Known prime factors (1 factor, 70.1 bits, 0.00001005% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69777952113060200578151341715112270.146935840060155
5 × 7 × 11 × 13 × 186981031
2018-11-29131869810310.5424478.88894.41

P-1 results:
No P-1 results for M697779521


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-06-25T07:40:00Architects Cubedm1_30263264--0.003--
2012-01-25T14:30:00ANONYMOUSManual testing264265--0.005--
2012-01-26T11:57:00laleraManual testing264265--0.005--
2013-11-23T03:14:00sasakiManual testing265266--0.011--
2014-09-17T09:25:00sasakiManual testing266268--0.064--
2022-08-10T19:30:04LordJuliusManual testing21268--0.085--
2017-06-16T15:01:28ConductorManual testing268269--0.086--
2018-09-21T21:37:52srow7Manual testing269270--0.171--
2018-11-29T17:14:38Niels_Mache_NextcloudManual testing27027170.146220.20046,3560.410


ECM factoring results:
No ECM results for M697779521


Lucas-Lehmer results:
No L-L results for M697779521


PRP results:
No PRP results for M697779521


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:04+00:00