Q: What are the prime factors of the number 5,718,330?

 A: 2, 3, 5, 21179

Why are those the prime factors of the number 5,718,330?

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 5,718,330

5,718,330
Factor Arrows
22,859,165
Factor Arrows
3953,055
Factor Arrows
3317,685
Factor Arrows
3105,895
Factor Arrows
521,179

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, 5, 21179

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 21,179 = 5,718,330

This can also be written as 21 x 33 x 51 x 21,1791 = 5,718,330

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


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