Q: What are the prime factors of the number 431,488?

 A: 2, 3371

Why are those the prime factors of the number 431,488?

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 431,488

431,488
Factor Arrows
2215,744
Factor Arrows
2107,872
Factor Arrows
253,936
Factor Arrows
226,968
Factor Arrows
213,484
Factor Arrows
26,742
Factor Arrows
23,371

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, 3371

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3,371 = 431,488

This can also be written as 27 x 3,3711 = 431,488

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


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