Q: What are the prime factors of the number 15,375,168?

 A: 2, 3, 26693

Why are those the prime factors of the number 15,375,168?

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 15,375,168

15,375,168
Factor Arrows
27,687,584
Factor Arrows
23,843,792
Factor Arrows
21,921,896
Factor Arrows
2960,948
Factor Arrows
2480,474
Factor Arrows
2240,237
Factor Arrows
380,079
Factor Arrows
326,693

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, 26693

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 26,693 = 15,375,168

This can also be written as 26 x 32 x 26,6931 = 15,375,168

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


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