Q: What are the prime factors of the number 425,280?

 A: 2, 3, 5, 443

Why are those the prime factors of the number 425,280?

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 425,280

425,280
Factor Arrows
2212,640
Factor Arrows
2106,320
Factor Arrows
253,160
Factor Arrows
226,580
Factor Arrows
213,290
Factor Arrows
26,645
Factor Arrows
32,215
Factor Arrows
5443

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, 443

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 3 x 5 x 443 = 425,280

This can also be written as 26 x 31 x 51 x 4431 = 425,280

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 425,280:


Ask a Question