Q: What are the prime factors of the number 12,602,304?

 A: 2, 3, 11, 13, 17

Why are those the prime factors of the number 12,602,304?

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 12,602,304

12,602,304
Factor Arrows
26,301,152
Factor Arrows
23,150,576
Factor Arrows
21,575,288
Factor Arrows
2787,644
Factor Arrows
2393,822
Factor Arrows
2196,911
Factor Arrows
365,637
Factor Arrows
321,879
Factor Arrows
37,293
Factor Arrows
32,431
Factor Arrows
11221
Factor Arrows
1317

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, 13, 17

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 3 x 11 x 13 x 17 = 12,602,304

This can also be written as 26 x 34 x 111 x 131 x 171 = 12,602,304

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


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