Q: What are the prime factors of the number 120,223,312?

 A: 2, 11, 683087

Why are those the prime factors of the number 120,223,312?

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 120,223,312

120,223,312
Factor Arrows
260,111,656
Factor Arrows
230,055,828
Factor Arrows
215,027,914
Factor Arrows
27,513,957
Factor Arrows
11683,087

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, 11, 683087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 683,087 = 120,223,312

This can also be written as 24 x 111 x 683,0871 = 120,223,312

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


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