Q: What are the prime factors of the number 372,165?

 A: 3, 5, 43, 577

Why are those the prime factors of the number 372,165?

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 372,165

372,165
Factor Arrows
3124,055
Factor Arrows
524,811
Factor Arrows
43577

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, 43, 577

We can check our work by multiplying all of the prime factors together: 3 x 5 x 43 x 577 = 372,165

This can also be written as 31 x 51 x 431 x 5771 = 372,165

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


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