Q: What are the prime factors of the number 338,312?

 A: 2, 13, 3253

Why are those the prime factors of the number 338,312?

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 338,312

338,312
Factor Arrows
2169,156
Factor Arrows
284,578
Factor Arrows
242,289
Factor Arrows
133,253

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, 13, 3253

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 3,253 = 338,312

This can also be written as 23 x 131 x 3,2531 = 338,312

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


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