Factor Tree of 1221

Given number is 1221
The factor tree of 1221 is as follows:

	1221
3		407
	11		37

1221 = 3 x 407

407 = 11 x 37

If we write into multiples it would be 1221 x 3

On splitting 407 further and writing it as multiples of numbers it would be 37 x 11.

Here are examples of Factor tree calculations.

• Factor Tree of 1271
• Factor Tree of 1321
• Factor Tree of 1371
• Factor Tree of 1421
• Factor Tree of 1471

Here we are providing different methods to find the factors of the number 1221. 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 1221. Let’s start with 3 x 11 x 37 as it results in 1221 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 1221 now and we can write as 3 x 11 x 37 and place those factors on the tree. similarly to prime numbers obtained in the first step 3, 11, 37 obtained here are also prime numbers and we will end up these branches.

1. What is factor tree for 1221 ?

Answer: Prime Factors of 1221 are 3 x 11 x 37.

2. What are the Prime Factors of 1221 ?

Answer: Prime Factors of 1221 are 3 x 11 x 37.