Q: What are the prime factors of the number 14,424,640?

 A: 2, 5, 45077

Why are those the prime factors of the number 14,424,640?

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 14,424,640

14,424,640
Factor Arrows
27,212,320
Factor Arrows
23,606,160
Factor Arrows
21,803,080
Factor Arrows
2901,540
Factor Arrows
2450,770
Factor Arrows
2225,385
Factor Arrows
545,077

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, 5, 45077

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 5 x 45,077 = 14,424,640

This can also be written as 26 x 51 x 45,0771 = 14,424,640

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


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