is 2 283280773 - 1
has 85276010 decimal digits
takes 3,383.631 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
Actual2670.104956.7164%----0.104956.7164%0.0000%
PrimeNet27654.024161.8421%11000007000000084.06625.6551%138.090364.0000%2.1579%
GPU72280864.395363.7500%17000007000000093.89174.1730%958.287065.2627%1.5127%
Difference-13-864.2904-7.0336%-1700000-70000000-93.8917-4.1730%-958.1821-8.5463%-8.5463%

Known prime factors (3 factors, 160.6 bits, 0.00005670% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
28328077345324923691032.0788
23
-882.023e-120.00010.0003
28328077324663732033037018311961.0974353230855
5 × 870646171
2016-04-0158706461710.0019821.551,534.4
2832807732009651317222515639112167.446354710151335
5 × 887 × 1471 × 54371
2022-08-051471543710.10840.07540.0958

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
283280773111788177230801141384588276392993.175
2832807739108729259661850409249232951593099.523
28328077349565501567815997452613626033538422104139128.543
283280773224655257621783544450094699102432636255134173612949160.620
P-1 results:
No P-1 results for M283280773


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-04-01T11:05:25TJAOIManual testing261262*61.097190.0016,9390.002
2022-08-05T09:34:10TJAOIManual testing267268*67.446210.0046,9390.007


ECM factoring results:
No ECM results for M283280773


Lucas-Lehmer results:
No L-L results for M283280773


PRP results:
No PRP results for M283280773


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
267
262
230
240
250
260
270
280
290
2100
Last modified: 2022-08-05T09:34:10+00:00