Q: What are the prime factors of the number 345,632,220?

 A: 2, 3, 5, 1213, 1583

Why are those the prime factors of the number 345,632,220?

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 345,632,220

345,632,220
Factor Arrows
2172,816,110
Factor Arrows
286,408,055
Factor Arrows
328,802,685
Factor Arrows
39,600,895
Factor Arrows
51,920,179
Factor Arrows
1,2131,583

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, 5, 1213, 1583

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 1,213 x 1,583 = 345,632,220

This can also be written as 22 x 32 x 51 x 1,2131 x 1,5831 = 345,632,220

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 345,632,220:


Ask a Question