is 2 287707829 - 1
has 86608687 decimal digits
takes 3,536.409 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
Actual2670.103356.7164%----0.103356.7164%0.0000%
PrimeNet27653.192861.8421%11000007000000086.51005.6647%139.702864.0037%2.1615%
GPU72280851.094563.7500%17000007000000096.62114.1803%947.715665.2654%1.5154%
Difference-13-850.9913-7.0336%-1700000-70000000-96.6211-4.1803%-947.6124-8.5490%-8.5490%

Known prime factors (3 factors, 156.0 bits, 0.00005423% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
28770782940279096071031.9077
7
-179.959e-132.365e-53.627e-5
2877078291155874920554718711856.682200876515
5 × 7 × 37 × 181 × 857
2015-04-221818575.889e-50.00390.0066
2877078292007636004407464491932167.444348901872324
22 × 3 × 41 × 47 × 15088301
2022-08-0547150883010.184814.65227.365

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2877078294655759696992713261191646972788.589
2877078298086576349511920569556220971513099.351
2877078292320576107097270921526892412934215010338124.126
2877078299347070795551758428299913058913135698990973952147156.033
P-1 results:
No P-1 results for M287707829


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-04-22T11:37:00TJAOIManual testing256257*56.682182.55293e-57,2575.23869e-5
2022-08-05T09:29:39TJAOIManual testing267268*67.444210.0817,2570.167


ECM factoring results:
No ECM results for M287707829


Lucas-Lehmer results:
No L-L results for M287707829


PRP results:
No PRP results for M287707829


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
267
257
230
240
250
260
270
280
290
2100
Last modified: 2022-08-05T09:29:39+00:00