Q: What are the prime factors of the number 12,008,576?

 A: 2, 23, 4079

Why are those the prime factors of the number 12,008,576?

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 12,008,576

12,008,576
Factor Arrows
26,004,288
Factor Arrows
23,002,144
Factor Arrows
21,501,072
Factor Arrows
2750,536
Factor Arrows
2375,268
Factor Arrows
2187,634
Factor Arrows
293,817
Factor Arrows
234,079

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, 23, 4079

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 2 x 23 x 4,079 = 12,008,576

This can also be written as 27 x 231 x 4,0791 = 12,008,576

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


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