is 2 697866401 - 1
has 210078720 decimal digits
takes 22,624.118 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
Actual2732.741058.9041%----2.741058.9041%0.0000%
PrimeNet280350.878862.5000%2600000180000000576.55865.6319%927.437564.6119%2.1119%
GPU722845,614.065464.2857%4000000180000000638.78364.2187%6,252.849065.7924%1.5067%
Difference-11-5,611.3244-5.3816%-4000000-180000000-638.7836-4.2187%-6,250.1080-6.8883%-6.8883%

Known prime factors (1 factor, 69.5 bits, 0.00000996% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978664018575814874981536410732169.539614430990136
23 × 76803873767
2018-09-218768038737670.3096196,702367,385

P-1 results:
No P-1 results for M697866401


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-06-22T21:50:00Architects Cubeda3_lm263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:38:00laleraManual testing264265--0.005--
2013-11-24T10:35:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing266268--0.064--
2017-06-17T00:28:37ConductorManual testing268269--0.086--
2018-09-21T21:39:13srow7Manual testing26927069.539210.13946,3620.284
2022-08-12T16:27:04LordJuliusManual testing2127069.539210.31046,3620.634
2022-08-12T16:27:04LordJuliusManual testing270271--0.343--
2022-08-12T16:27:04LordJuliusManual testing271272--0.685--
2022-08-12T16:27:04LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697866401


Lucas-Lehmer results:
No L-L results for M697866401


PRP results:
No PRP results for M697866401


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:04+00:00