Q: What are the prime factors of the number 7,566,624?

 A: 2, 3, 13, 43, 47

Why are those the prime factors of the number 7,566,624?

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 7,566,624

7,566,624
Factor Arrows
23,783,312
Factor Arrows
21,891,656
Factor Arrows
2945,828
Factor Arrows
2472,914
Factor Arrows
2236,457
Factor Arrows
378,819
Factor Arrows
326,273
Factor Arrows
132,021
Factor Arrows
4347

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, 13, 43, 47

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 3 x 13 x 43 x 47 = 7,566,624

This can also be written as 25 x 32 x 131 x 431 x 471 = 7,566,624

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


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