is 2 877713329 - 1
has 264218040 decimal digits
takes 38,164.276 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2700.272257.1429%----0.272257.1429%
Target2858,927.442764.7059%50000002400000001,122.47444.2714%10,049.917166.2134%
Difference-15-8,927.1704-7.5630%-5000000-240000000-1,122.4744-4.2714%-10,049.6449-9.0706%

Known prime factors (1 factor, 64.3 bits, 0.00000733% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
877713329227884910167533538092064.30512981739176
23 × 32 × 7 × 1091 × 23609
2017-04-211091236090.00510.14610.1514

P-1 results:
No P-1 results for M877713329


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-08Architects CubedManual testing263264--0.002--
2010-10-02Architects Cubedm1_sa264265--0.004--
2017-04-21TJAOIManual testing264265*64.305200.00186,3780.002
2013-06-08america64Manual testing265266--0.009--
2015-03-29sasakiubuntu266267--0.017--
2015-07-23sasakiManual testing267268--0.034--
2016-10-10ramgeisManual testing268270--0.204--


ECM factoring results:
No ECM results for M877713329


Lucas-Lehmer results:
No L-L results for M877713329


PRP results:
No PRP results for M877713329


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
270
268
267
266
265
264
this exponent TF target: 85
TF double-checked to: 67.7
250
260
270
280
290
Last modified: 2023-03-25T13:08:14+00:00