Q: What are the prime factors of the number 38,664?

 A: 2, 3, 179

Why are those the prime factors of the number 38,664?

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 38,664

38,664
Factor Arrows
219,332
Factor Arrows
29,666
Factor Arrows
24,833
Factor Arrows
31,611
Factor Arrows
3537
Factor Arrows
3179

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, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 179 = 38,664

This can also be written as 23 x 33 x 1791 = 38,664

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


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