Q: What are the prime factors of the number 167,745?

 A: 3, 5, 53, 211

Why are those the prime factors of the number 167,745?

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 167,745

167,745
Factor Arrows
355,915
Factor Arrows
511,183
Factor Arrows
53211

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, 53, 211

We can check our work by multiplying all of the prime factors together: 3 x 5 x 53 x 211 = 167,745

This can also be written as 31 x 51 x 531 x 2111 = 167,745

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


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