Q: What are the prime factors of the number 392,304?

 A: 2, 3, 11, 743

Why are those the prime factors of the number 392,304?

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 392,304

392,304
Factor Arrows
2196,152
Factor Arrows
298,076
Factor Arrows
249,038
Factor Arrows
224,519
Factor Arrows
38,173
Factor Arrows
11743

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, 11, 743

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 11 x 743 = 392,304

This can also be written as 24 x 31 x 111 x 7431 = 392,304

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


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