Q: What are the prime factors of the number 38,149,164?

 A: 2, 3, 59, 5987

Why are those the prime factors of the number 38,149,164?

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 38,149,164

38,149,164
Factor Arrows
219,074,582
Factor Arrows
29,537,291
Factor Arrows
33,179,097
Factor Arrows
31,059,699
Factor Arrows
3353,233
Factor Arrows
595,987

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, 59, 5987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 59 x 5,987 = 38,149,164

This can also be written as 22 x 33 x 591 x 5,9871 = 38,149,164

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


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