Q: What are the prime factors of the number 15,134,175?

 A: 3, 5, 7, 3203

Why are those the prime factors of the number 15,134,175?

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 15,134,175

15,134,175
Factor Arrows
35,044,725
Factor Arrows
31,681,575
Factor Arrows
3560,525
Factor Arrows
5112,105
Factor Arrows
522,421
Factor Arrows
73,203

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:

3, 5, 7, 3203

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5 x 7 x 3,203 = 15,134,175

This can also be written as 33 x 52 x 71 x 3,2031 = 15,134,175

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


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