Q: What are the prime factors of the number 566,720?

 A: 2, 5, 7, 11, 23

Why are those the prime factors of the number 566,720?

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 566,720

566,720
Factor Arrows
2283,360
Factor Arrows
2141,680
Factor Arrows
270,840
Factor Arrows
235,420
Factor Arrows
217,710
Factor Arrows
28,855
Factor Arrows
51,771
Factor Arrows
7253
Factor Arrows
1123

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, 5, 7, 11, 23

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 5 x 7 x 11 x 23 = 566,720

This can also be written as 26 x 51 x 71 x 111 x 231 = 566,720

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


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