Q: What are the prime factors of the number 732,768?

 A: 2, 3, 17, 449

Why are those the prime factors of the number 732,768?

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 732,768

732,768
Factor Arrows
2366,384
Factor Arrows
2183,192
Factor Arrows
291,596
Factor Arrows
245,798
Factor Arrows
222,899
Factor Arrows
37,633
Factor Arrows
17449

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, 17, 449

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 17 x 449 = 732,768

This can also be written as 25 x 31 x 171 x 4491 = 732,768

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


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