Q: What are the prime factors of the number 318,564?

 A: 2, 3, 8849

Why are those the prime factors of the number 318,564?

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 318,564

318,564
Factor Arrows
2159,282
Factor Arrows
279,641
Factor Arrows
326,547
Factor Arrows
38,849

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, 8849

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 8,849 = 318,564

This can also be written as 22 x 32 x 8,8491 = 318,564

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


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