Q: What are the prime factors of the number 166,723,675?

 A: 5, 17, 59, 61, 109

Why are those the prime factors of the number 166,723,675?

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 166,723,675

166,723,675
Factor Arrows
533,344,735
Factor Arrows
56,668,947
Factor Arrows
17392,291
Factor Arrows
596,649
Factor Arrows
61109

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, 59, 61, 109

We can check our work by multiplying all of the prime factors together: 5 x 5 x 17 x 59 x 61 x 109 = 166,723,675

This can also be written as 52 x 171 x 591 x 611 x 1091 = 166,723,675

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


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