Q: What are the prime factors of the number 731,952?

 A: 2, 3, 13, 17, 23

Why are those the prime factors of the number 731,952?

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 731,952

731,952
Factor Arrows
2365,976
Factor Arrows
2182,988
Factor Arrows
291,494
Factor Arrows
245,747
Factor Arrows
315,249
Factor Arrows
35,083
Factor Arrows
13391
Factor Arrows
1723

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, 13, 17, 23

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 13 x 17 x 23 = 731,952

This can also be written as 24 x 32 x 131 x 171 x 231 = 731,952

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


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