is 2 697688861 - 1
has 210025275 decimal digits
takes 22,618.362 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
Actual2721.370758.3333%----1.370758.3333%0.0000%
PrimeNet280350.968162.5000%2600000180000000576.55865.6317%927.526864.6119%2.1119%
GPU722845,615.494064.2857%4000000180000000638.78364.2186%6,254.277665.7924%1.5066%
Difference-12-5,614.1233-5.9524%-4000000-180000000-638.7836-4.2186%-6,252.9069-7.4590%-7.4590%

Known prime factors (1 factor, 72.5 bits, 0.00001039% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69768886165074514363206000831692272.4634663576989744
24 × 3 × 179 × 542781307		2021-04-251795427813072.55301,390.12,596.4

P-1 results:
No P-1 results for M697688861


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-04-25T17:26:46Brannon Dorseymprime-7d4bb6b766-w8??72.463221.18246,3482.423
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T09:21:00Architects Cubedm1_12263264--0.003--
2012-01-25T14:29:00ANONYMOUSManual testing264265--0.005--
2012-01-26T12:08:00laleraManual testing264265--0.005--
2013-11-12T22:49:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing266268--0.064--
2022-08-10T19:29:57LordJuliusManual testing21268--0.085--
2017-06-15T23:36:22ConductorManual testing268269--0.086--
2018-09-21T21:36:32srow7Manual testing269270--0.171--
2018-11-29T16:42:46Niels_Mache_NextcloudManual testing270271--0.343--
2020-09-28T17:26:22SRBaseManual testing271272--0.685--


ECM factoring results:
No ECM results for M697688861


Lucas-Lehmer results:
No L-L results for M697688861


PRP results:
No PRP results for M697688861


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
272
271
270
269
268
266
265
264
262
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:57+00:00