Factor Tree of 90

Given number is 90
The factor tree of 90 is as follows:

	90
2		45
	3		15
		3		5

90 = 2 x 45

45 = 3 x 15

15 = 3 x 5

If we write into multiples it would be 90 x 2

On splitting 45 further and writing it as multiples of numbers it would be 15 x 3.

On splitting 15 further and writing it as multiples of numbers it would be 5 x 3.

Here are examples of Factor tree calculations.

• Factor Tree of 91
• Factor Tree of 92
• Factor Tree of 93
• Factor Tree of 94
• Factor Tree of 95

Here we are providing different methods to find the factors of the number 90. They are splitting numbers and prime factors.

Splitting Numbers

We can divide the number into either of its two factors. In other words, we are looking for the numbers that when multiplied together eqaul 90. Let’s start with 2 x 3 x 3 x 5 as it results in 90 on multiplying. We will now find the factors or ancestors of split factors, just like in any family tree.

Prime Factors

Let’s take a look at 90 now and we can write as 2 x 3 x 3 x 5 and place those factors on the tree. similarly to prime numbers obtained in the first step 2, 3, 3, 5 obtained here are also prime numbers and we will end up these branches.

1. What is factor tree for 90 ?

Answer: Prime Factors of 90 are 2 x 3 x 3 x 5.

2. What are the Prime Factors of 90 ?

Answer: Prime Factors of 90 are 2 x 3 x 3 x 5.