Q: What are the prime factors of the number 530,208?

 A: 2, 3, 7, 263

Why are those the prime factors of the number 530,208?

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 530,208

530,208
Factor Arrows
2265,104
Factor Arrows
2132,552
Factor Arrows
266,276
Factor Arrows
233,138
Factor Arrows
216,569
Factor Arrows
35,523
Factor Arrows
31,841
Factor Arrows
7263

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, 7, 263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7 x 263 = 530,208

This can also be written as 25 x 32 x 71 x 2631 = 530,208

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 530,208:


Ask a Question