Q: What are the prime factors of the number 165,735?

 A: 3, 5, 29, 127

Why are those the prime factors of the number 165,735?

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 165,735

165,735
Factor Arrows
355,245
Factor Arrows
318,415
Factor Arrows
53,683
Factor Arrows
29127

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, 29, 127

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 29 x 127 = 165,735

This can also be written as 32 x 51 x 291 x 1271 = 165,735

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


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