Q: What are the prime factors of the number 3,957,175?

 A: 5, 17, 9311

Why are those the prime factors of the number 3,957,175?

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 3,957,175

3,957,175
Factor Arrows
5791,435
Factor Arrows
5158,287
Factor Arrows
179,311

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:

5, 17, 9311

We can check our work by multiplying all of the prime factors together: 5 x 5 x 17 x 9,311 = 3,957,175

This can also be written as 52 x 171 x 9,3111 = 3,957,175

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


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