285 15 x 19 (3 x 5) x 19 The factor tree has reduced 285 to its prime factors: 3, 5, and 19.
Yes, 15 is a factor of 15. Every number has itself and 1 as a factor.
Factor tree of 40: 40 20,2 10,2,2 5,2,2,2
Here is a factor tree of eight: 8 / \ 4 2 / \ 2 2
873 x 29Since both 3 and 29 are prime numbers, the factor tree is complete.
15 3,5 Not much of a tree. More like a factor shrub.
15 3,5
5,3
Because 45 is not a factor of 60.
The factor tree of 225 is: 15, 15 3, 5, 3, 5 225 75,3 25,3,3 5,5,3,3
15 23
It is: 3 times 5 = 15
3 and 5
Yes.
35 5,7 Not much of a tree. More like a factor shrub.
165 15 11 3 516555,311,5,3
12 6,2 3,2,2 15 3,5