Q: What are the prime factors of the number 808,480?

 A: 2, 5, 31, 163

Why are those the prime factors of the number 808,480?

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 808,480

808,480
Factor Arrows
2404,240
Factor Arrows
2202,120
Factor Arrows
2101,060
Factor Arrows
250,530
Factor Arrows
225,265
Factor Arrows
55,053
Factor Arrows
31163

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, 31, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 31 x 163 = 808,480

This can also be written as 25 x 51 x 311 x 1631 = 808,480

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 808,480:


Ask a Question