Q: What are the prime factors of the number 987,088?

 A: 2, 17, 19, 191

Why are those the prime factors of the number 987,088?

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 987,088

987,088
Factor Arrows
2493,544
Factor Arrows
2246,772
Factor Arrows
2123,386
Factor Arrows
261,693
Factor Arrows
173,629
Factor Arrows
19191

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, 17, 19, 191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 19 x 191 = 987,088

This can also be written as 24 x 171 x 191 x 1911 = 987,088

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


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