Q: What are the prime factors of the number 17,627,085?

 A: 3, 5, 7, 23, 811

Why are those the prime factors of the number 17,627,085?

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 17,627,085

17,627,085
Factor Arrows
35,875,695
Factor Arrows
31,958,565
Factor Arrows
3652,855
Factor Arrows
5130,571
Factor Arrows
718,653
Factor Arrows
23811

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:

3, 5, 7, 23, 811

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 7 x 23 x 811 = 17,627,085

This can also be written as 33 x 51 x 71 x 231 x 8111 = 17,627,085

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


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