Q: What are the prime factors of the number 358,392?

 A: 2, 3, 109, 137

Why are those the prime factors of the number 358,392?

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 358,392

358,392
Factor Arrows
2179,196
Factor Arrows
289,598
Factor Arrows
244,799
Factor Arrows
314,933
Factor Arrows
109137

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, 109, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 109 x 137 = 358,392

This can also be written as 23 x 31 x 1091 x 1371 = 358,392

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


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