Q: What are the prime factors of the number 173,036,325?

 A: 3, 5, 7, 11, 19, 83

Why are those the prime factors of the number 173,036,325?

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 173,036,325

173,036,325
Factor Arrows
357,678,775
Factor Arrows
511,535,755
Factor Arrows
52,307,151
Factor Arrows
7329,593
Factor Arrows
1129,963
Factor Arrows
191,577
Factor Arrows
1983

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, 11, 19, 83

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 7 x 11 x 19 x 19 x 83 = 173,036,325

This can also be written as 31 x 52 x 71 x 111 x 192 x 831 = 173,036,325

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


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