Q: What are the prime factors of the number 179,100?

 A: 2, 3, 5, 199

Why are those the prime factors of the number 179,100?

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 179,100

179,100
Factor Arrows
289,550
Factor Arrows
244,775
Factor Arrows
314,925
Factor Arrows
34,975
Factor Arrows
5995
Factor Arrows
5199

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:

2, 3, 5, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 199 = 179,100

This can also be written as 22 x 32 x 52 x 1991 = 179,100

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


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