Q: What are the prime factors of the number 440,370?

 A: 2, 3, 5, 7, 233

Why are those the prime factors of the number 440,370?

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 440,370

440,370
Factor Arrows
2220,185
Factor Arrows
373,395
Factor Arrows
324,465
Factor Arrows
38,155
Factor Arrows
51,631
Factor Arrows
7233

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, 7, 233

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 7 x 233 = 440,370

This can also be written as 21 x 33 x 51 x 71 x 2331 = 440,370

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 440,370:


Ask a Question