Q: What are the prime factors of the number 750,728?

 A: 2, 11, 19, 449

Why are those the prime factors of the number 750,728?

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 750,728

750,728
Factor Arrows
2375,364
Factor Arrows
2187,682
Factor Arrows
293,841
Factor Arrows
118,531
Factor Arrows
19449

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, 19, 449

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 19 x 449 = 750,728

This can also be written as 23 x 111 x 191 x 4491 = 750,728

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


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