Q: What are the prime factors of the number 456,165?

 A: 3, 5, 31, 109

Why are those the prime factors of the number 456,165?

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 456,165

456,165
Factor Arrows
3152,055
Factor Arrows
350,685
Factor Arrows
316,895
Factor Arrows
53,379
Factor Arrows
31109

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, 31, 109

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 31 x 109 = 456,165

This can also be written as 33 x 51 x 311 x 1091 = 456,165

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


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