Q: What are the prime factors of the number 120,312,324?

 A: 2, 3, 11, 101273

Why are those the prime factors of the number 120,312,324?

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 120,312,324

120,312,324
Factor Arrows
260,156,162
Factor Arrows
230,078,081
Factor Arrows
310,026,027
Factor Arrows
33,342,009
Factor Arrows
31,114,003
Factor Arrows
11101,273

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, 11, 101273

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 11 x 101,273 = 120,312,324

This can also be written as 22 x 33 x 111 x 101,2731 = 120,312,324

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 120,312,324:


Ask a Question