Q: What are the prime factors of the number 13,324,608?

 A: 2, 3, 11, 701

Why are those the prime factors of the number 13,324,608?

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 13,324,608

13,324,608
Factor Arrows
26,662,304
Factor Arrows
23,331,152
Factor Arrows
21,665,576
Factor Arrows
2832,788
Factor Arrows
2416,394
Factor Arrows
2208,197
Factor Arrows
369,399
Factor Arrows
323,133
Factor Arrows
37,711
Factor Arrows
11701

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, 11, 701

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 11 x 701 = 13,324,608

This can also be written as 26 x 33 x 111 x 7011 = 13,324,608

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


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