Q: What are the prime factors of the number 723,584?

 A: 2, 5653

Why are those the prime factors of the number 723,584?

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 723,584

723,584
Factor Arrows
2361,792
Factor Arrows
2180,896
Factor Arrows
290,448
Factor Arrows
245,224
Factor Arrows
222,612
Factor Arrows
211,306
Factor Arrows
25,653

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, 5653

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5,653 = 723,584

This can also be written as 27 x 5,6531 = 723,584

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


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