1 x 87, 3 x 29, 29 x 3, 87 x 1
Factor tree of 40: 40 20,2 10,2,2 5,2,2,2
193 is prime. No tree.
Here is a factor tree of eight: 8 / \ 4 2 / \ 2 2
Factors of 87: 1, 3, 29, and 87Factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, and 100Common factors of 87 and 100: 1Greatest common factor: ' 1 '
87 3,29
87 = 3*29
87 3,29 Not much of a tree. More like a factor shrub.
It's not necessary for two reasons. First, 29 is a factor of 87 so it will automatically be the GCF of this problem. Second, since factor trees are designed to find prime numbers and 29 is already prime, it doesn't have a tree. But if you insist... 87 3,29 Here we have a factor tree, more like a factor shrub, that shows that the prime factors of 87 are 3 and 29. Since 29 is a factor of 29, the GCF is 29.
2 261 3 87 3 29
29x3 both prime so your done
29 is already prime. No tree. 87 3,29 Since there are no common prime factors, the GCF is 1.
There are 2 factor pairs of 87:87 = 1 x 8787 = 3 x 29
87 is the only composite factor of 87.
1, 3, 29, 87
87 is the only composite factor of 87.
The greatest common factor of 87 , 120 = 3