Q: What are the prime factors of the number 183,312?

 A: 2, 3, 19, 67

Why are those the prime factors of the number 183,312?

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 183,312

183,312
Factor Arrows
291,656
Factor Arrows
245,828
Factor Arrows
222,914
Factor Arrows
211,457
Factor Arrows
33,819
Factor Arrows
31,273
Factor Arrows
1967

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, 19, 67

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 19 x 67 = 183,312

This can also be written as 24 x 32 x 191 x 671 = 183,312

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


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