Q: What are the prime factors of the number 528,228?

 A: 2, 3, 67, 73

Why are those the prime factors of the number 528,228?

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 528,228

528,228
Factor Arrows
2264,114
Factor Arrows
2132,057
Factor Arrows
344,019
Factor Arrows
314,673
Factor Arrows
34,891
Factor Arrows
6773

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, 67, 73

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 67 x 73 = 528,228

This can also be written as 22 x 33 x 671 x 731 = 528,228

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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