Q: What are the prime factors of the number 111,007,512?

 A: 2, 3, 7, 11, 20023

Why are those the prime factors of the number 111,007,512?

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 111,007,512

111,007,512
Factor Arrows
255,503,756
Factor Arrows
227,751,878
Factor Arrows
213,875,939
Factor Arrows
34,625,313
Factor Arrows
31,541,771
Factor Arrows
7220,253
Factor Arrows
1120,023

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, 3, 7, 11, 20023

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 11 x 20,023 = 111,007,512

This can also be written as 23 x 32 x 71 x 111 x 20,0231 = 111,007,512

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


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