Q: What are the prime factors of the number 7,481,484?

 A: 2, 3, 43, 179

Why are those the prime factors of the number 7,481,484?

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 7,481,484

7,481,484
Factor Arrows
23,740,742
Factor Arrows
21,870,371
Factor Arrows
3623,457
Factor Arrows
3207,819
Factor Arrows
369,273
Factor Arrows
323,091
Factor Arrows
37,697
Factor Arrows
43179

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, 43, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 43 x 179 = 7,481,484

This can also be written as 22 x 35 x 431 x 1791 = 7,481,484

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


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