Q: What are the prime factors of the number 2,663,604?

 A: 2, 3, 8221

Why are those the prime factors of the number 2,663,604?

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 2,663,604

2,663,604
Factor Arrows
21,331,802
Factor Arrows
2665,901
Factor Arrows
3221,967
Factor Arrows
373,989
Factor Arrows
324,663
Factor Arrows
38,221

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, 8221

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 8,221 = 2,663,604

This can also be written as 22 x 34 x 8,2211 = 2,663,604

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


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