Q: What are the prime factors of the number 166,576?

 A: 2, 29, 359

Why are those the prime factors of the number 166,576?

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 166,576

166,576
Factor Arrows
283,288
Factor Arrows
241,644
Factor Arrows
220,822
Factor Arrows
210,411
Factor Arrows
29359

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, 29, 359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 359 = 166,576

This can also be written as 24 x 291 x 3591 = 166,576

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


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