Q: What are the prime factors of the number 5,564,640?

 A: 2, 3, 5, 11593

Why are those the prime factors of the number 5,564,640?

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 5,564,640

5,564,640
Factor Arrows
22,782,320
Factor Arrows
21,391,160
Factor Arrows
2695,580
Factor Arrows
2347,790
Factor Arrows
2173,895
Factor Arrows
357,965
Factor Arrows
511,593

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, 11593

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 5 x 11,593 = 5,564,640

This can also be written as 25 x 31 x 51 x 11,5931 = 5,564,640

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


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