Q: What are the prime factors of the number 12,018,272?

 A: 2, 7, 53653

Why are those the prime factors of the number 12,018,272?

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 12,018,272

12,018,272
Factor Arrows
26,009,136
Factor Arrows
23,004,568
Factor Arrows
21,502,284
Factor Arrows
2751,142
Factor Arrows
2375,571
Factor Arrows
753,653

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, 7, 53653

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 53,653 = 12,018,272

This can also be written as 25 x 71 x 53,6531 = 12,018,272

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


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