Q: What are the prime factors of the number 31,311,036?

 A: 2, 3, 32213

Why are those the prime factors of the number 31,311,036?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 31,311,036

31,311,036
Factor Arrows
215,655,518
Factor Arrows
27,827,759
Factor Arrows
32,609,253
Factor Arrows
3869,751
Factor Arrows
3289,917
Factor Arrows
396,639
Factor Arrows
332,213

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 32213

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 32,213 = 31,311,036

This can also be written as 22 x 35 x 32,2131 = 31,311,036

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 31,311,036:


Ask a Question