Q: What are the prime factors of the number 28,717,588?

 A: 2, 19, 379, 997

Why are those the prime factors of the number 28,717,588?

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 28,717,588

28,717,588
Factor Arrows
214,358,794
Factor Arrows
27,179,397
Factor Arrows
19377,863
Factor Arrows
379997

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, 19, 379, 997

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 379 x 997 = 28,717,588

This can also be written as 22 x 191 x 3791 x 9971 = 28,717,588

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


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