Q: What are the prime factors of the number 89,015,017?

 A: 7, 13, 19963

Why are those the prime factors of the number 89,015,017?

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 89,015,017

89,015,017
Factor Arrows
712,716,431
Factor Arrows
71,816,633
Factor Arrows
7259,519
Factor Arrows
1319,963

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:

7, 13, 19963

We can check our work by multiplying all of the prime factors together: 7 x 7 x 7 x 13 x 19,963 = 89,015,017

This can also be written as 73 x 131 x 19,9631 = 89,015,017

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


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