Q: What are the prime factors of the number 732,159?

 A: 3, 23, 131

Why are those the prime factors of the number 732,159?

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 732,159

732,159
Factor Arrows
3244,053
Factor Arrows
381,351
Factor Arrows
327,117
Factor Arrows
39,039
Factor Arrows
33,013
Factor Arrows
23131

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, 23, 131

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 23 x 131 = 732,159

This can also be written as 35 x 231 x 1311 = 732,159

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


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