Q: What are the prime factors of the number 725,544?

 A: 2, 3, 3359

Why are those the prime factors of the number 725,544?

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 725,544

725,544
Factor Arrows
2362,772
Factor Arrows
2181,386
Factor Arrows
290,693
Factor Arrows
330,231
Factor Arrows
310,077
Factor Arrows
33,359

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, 3359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3,359 = 725,544

This can also be written as 23 x 33 x 3,3591 = 725,544

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


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