Q: What are the prime factors of the number 166,662?

 A: 2, 3, 47, 197

Why are those the prime factors of the number 166,662?

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 166,662

166,662
Factor Arrows
283,331
Factor Arrows
327,777
Factor Arrows
39,259
Factor Arrows
47197

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, 47, 197

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 47 x 197 = 166,662

This can also be written as 21 x 32 x 471 x 1971 = 166,662

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


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