Q: What are the prime factors of the number 630,666?

 A: 2, 3, 17, 229

Why are those the prime factors of the number 630,666?

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 630,666

630,666
Factor Arrows
2315,333
Factor Arrows
3105,111
Factor Arrows
335,037
Factor Arrows
311,679
Factor Arrows
33,893
Factor Arrows
17229

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, 17, 229

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 17 x 229 = 630,666

This can also be written as 21 x 34 x 171 x 2291 = 630,666

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


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