Q: What are the prime factors of the number 439,404?

 A: 2, 3, 7, 5231

Why are those the prime factors of the number 439,404?

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 439,404

439,404
Factor Arrows
2219,702
Factor Arrows
2109,851
Factor Arrows
336,617
Factor Arrows
75,231

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, 5231

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 5,231 = 439,404

This can also be written as 22 x 31 x 71 x 5,2311 = 439,404

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


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