Q: What are the prime factors of the number 721,452?

 A: 2, 3, 59, 1019

Why are those the prime factors of the number 721,452?

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 721,452

721,452
Factor Arrows
2360,726
Factor Arrows
2180,363
Factor Arrows
360,121
Factor Arrows
591,019

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, 59, 1019

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 59 x 1,019 = 721,452

This can also be written as 22 x 31 x 591 x 1,0191 = 721,452

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


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