Q: What are the prime factors of the number 382,464?

 A: 2, 3, 83

Why are those the prime factors of the number 382,464?

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 382,464

382,464
Factor Arrows
2191,232
Factor Arrows
295,616
Factor Arrows
247,808
Factor Arrows
223,904
Factor Arrows
211,952
Factor Arrows
25,976
Factor Arrows
22,988
Factor Arrows
21,494
Factor Arrows
2747
Factor Arrows
3249
Factor Arrows
383

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, 83

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 2 x 2 x 3 x 3 x 83 = 382,464

This can also be written as 29 x 32 x 831 = 382,464

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


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