Q: What are the prime factors of the number 322,320,440?

 A: 2, 5, 13, 641, 967

Why are those the prime factors of the number 322,320,440?

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 322,320,440

322,320,440
Factor Arrows
2161,160,220
Factor Arrows
280,580,110
Factor Arrows
240,290,055
Factor Arrows
58,058,011
Factor Arrows
13619,847
Factor Arrows
641967

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, 5, 13, 641, 967

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 13 x 641 x 967 = 322,320,440

This can also be written as 23 x 51 x 131 x 6411 x 9671 = 322,320,440

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 322,320,440:


Ask a Question