Q: What are the prime factors of the number 7,206,624?

 A: 2, 3, 19, 439

Why are those the prime factors of the number 7,206,624?

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 7,206,624

7,206,624
Factor Arrows
23,603,312
Factor Arrows
21,801,656
Factor Arrows
2900,828
Factor Arrows
2450,414
Factor Arrows
2225,207
Factor Arrows
375,069
Factor Arrows
325,023
Factor Arrows
38,341
Factor Arrows
19439

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, 19, 439

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 3 x 19 x 439 = 7,206,624

This can also be written as 25 x 33 x 191 x 4391 = 7,206,624

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


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