Q: What are the prime factors of the number 14,238,224?

 A: 2, 7, 11, 13, 127

Why are those the prime factors of the number 14,238,224?

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 14,238,224

14,238,224
Factor Arrows
27,119,112
Factor Arrows
23,559,556
Factor Arrows
21,779,778
Factor Arrows
2889,889
Factor Arrows
7127,127
Factor Arrows
718,161
Factor Arrows
111,651
Factor Arrows
13127

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, 11, 13, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 11 x 13 x 127 = 14,238,224

This can also be written as 24 x 72 x 111 x 131 x 1271 = 14,238,224

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


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