Q: What are the prime factors of the number 726,096?

 A: 2, 3, 7, 2161

Why are those the prime factors of the number 726,096?

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 726,096

726,096
Factor Arrows
2363,048
Factor Arrows
2181,524
Factor Arrows
290,762
Factor Arrows
245,381
Factor Arrows
315,127
Factor Arrows
72,161

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, 7, 2161

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 2,161 = 726,096

This can also be written as 24 x 31 x 71 x 2,1611 = 726,096

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


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