Q: What are the prime factors of the number 112,992?

 A: 2, 3, 11, 107

Why are those the prime factors of the number 112,992?

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 112,992

112,992
Factor Arrows
256,496
Factor Arrows
228,248
Factor Arrows
214,124
Factor Arrows
27,062
Factor Arrows
23,531
Factor Arrows
31,177
Factor Arrows
11107

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, 11, 107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 11 x 107 = 112,992

This can also be written as 25 x 31 x 111 x 1071 = 112,992

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


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