Q: What are the prime factors of the number 439,344?

 A: 2, 3, 113

Why are those the prime factors of the number 439,344?

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 439,344

439,344
Factor Arrows
2219,672
Factor Arrows
2109,836
Factor Arrows
254,918
Factor Arrows
227,459
Factor Arrows
39,153
Factor Arrows
33,051
Factor Arrows
31,017
Factor Arrows
3339
Factor Arrows
3113

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, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 113 = 439,344

This can also be written as 24 x 35 x 1131 = 439,344

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


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