is 2 697656587 - 1
has 210015560 decimal digits
takes 22,617.316 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
Actual2710.685357.7465%----0.685357.7465%0.0000%
PrimeNet280350.984462.5000%2600000180000000576.55865.6317%927.543064.6119%2.1119%
GPU722845,615.753864.2857%4000000180000000638.78364.2186%6,254.537465.7924%1.5066%
Difference-13-5,615.0685-6.5392%-4000000-180000000-638.7836-4.2186%-6,253.8521-8.0459%-8.0459%

Known prime factors (1 factor, 70.4 bits, 0.00001009% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69765658715727260274405451229192270.4141127149128057
3 × 101 × 9631 × 386249
2018-11-2996313862490.59601.41731.8476

P-1 results:
No P-1 results for M697656587


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T08:20:00Architects Cubedm1_63263264--0.003--
2012-01-25T11:35:00laleraManual testing264265--0.005--
2013-11-11T09:50:00sasakiManual testing265266--0.011--
2014-09-15T13:26:00sasakiManual testing266268--0.064--
2022-08-10T19:29:55LordJuliusManual testing21268--0.085--
2017-06-15T20:08:03ConductorManual testing268269--0.086--
2018-09-20T22:08:18srow7Manual testing269270--0.171--
2018-11-29T17:14:21Niels_Mache_NextcloudManual testing27027170.414220.25446,3480.519


ECM factoring results:
No ECM results for M697656587


Lucas-Lehmer results:
No L-L results for M697656587


PRP results:
No PRP results for M697656587


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:55+00:00