Q: What are the prime factors of the number 12,057,344?

 A: 2, 13, 3623

Why are those the prime factors of the number 12,057,344?

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 12,057,344

12,057,344
Factor Arrows
26,028,672
Factor Arrows
23,014,336
Factor Arrows
21,507,168
Factor Arrows
2753,584
Factor Arrows
2376,792
Factor Arrows
2188,396
Factor Arrows
294,198
Factor Arrows
247,099
Factor Arrows
133,623

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, 13, 3623

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 2 x 13 x 3,623 = 12,057,344

This can also be written as 28 x 131 x 3,6231 = 12,057,344

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


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