Q: What are the prime factors of the number 728,068?

 A: 2, 11, 16547

Why are those the prime factors of the number 728,068?

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 728,068

728,068
Factor Arrows
2364,034
Factor Arrows
2182,017
Factor Arrows
1116,547

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, 11, 16547

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 16,547 = 728,068

This can also be written as 22 x 111 x 16,5471 = 728,068

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


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