Q: What are the prime factors of the number 326,470,165?

 A: 5, 7, 23, 405553

Why are those the prime factors of the number 326,470,165?

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 326,470,165

326,470,165
Factor Arrows
565,294,033
Factor Arrows
79,327,719
Factor Arrows
23405,553

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, 7, 23, 405553

We can check our work by multiplying all of the prime factors together: 5 x 7 x 23 x 405,553 = 326,470,165

This can also be written as 51 x 71 x 231 x 405,5531 = 326,470,165

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


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