Q: What are the prime factors of the number 3,321,600?

 A: 2, 3, 5, 173

Why are those the prime factors of the number 3,321,600?

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 3,321,600

3,321,600
Factor Arrows
21,660,800
Factor Arrows
2830,400
Factor Arrows
2415,200
Factor Arrows
2207,600
Factor Arrows
2103,800
Factor Arrows
251,900
Factor Arrows
225,950
Factor Arrows
212,975
Factor Arrows
34,325
Factor Arrows
5865
Factor Arrows
5173

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, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 173 = 3,321,600

This can also be written as 28 x 31 x 52 x 1731 = 3,321,600

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 3,321,600:


Ask a Question