Q: What are the prime factors of the number 31,402,422?

 A: 2, 3, 1744579

Why are those the prime factors of the number 31,402,422?

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 31,402,422

31,402,422
Factor Arrows
215,701,211
Factor Arrows
35,233,737
Factor Arrows
31,744,579

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, 1744579

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 1,744,579 = 31,402,422

This can also be written as 21 x 32 x 1,744,5791 = 31,402,422

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 31,402,422:


Ask a Question