819
273,3
91,3,3
13,7,3,3
As a product of its prime factors: 3*3*7*13 = 819
There are 6 factor pairs of 819:819 = 1 x 819819 = 3 x 273819 = 7 x 117819 = 9 x 91819 = 13 x 63819 = 21 x 39
If that's 819 and 15, the GCF is 3.
factor tree of 216
IT IS PRIME there is no factor tree
Factor tree of 204
The factor tree of 50:5025,25,5,25025,25,5,2
21
21% of 819 = 819*21/100 = 171.99
819
83 is prime. No tree.
Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40Factors of 819: 1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819GCF (40, 819) = 1