Q: What are the prime factors of the number 8,568,720?

 A: 2, 3, 5, 3967

Why are those the prime factors of the number 8,568,720?

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 8,568,720

8,568,720
Factor Arrows
24,284,360
Factor Arrows
22,142,180
Factor Arrows
21,071,090
Factor Arrows
2535,545
Factor Arrows
3178,515
Factor Arrows
359,505
Factor Arrows
319,835
Factor Arrows
53,967

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, 5, 3967

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 3,967 = 8,568,720

This can also be written as 24 x 33 x 51 x 3,9671 = 8,568,720

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


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