Q: What are the prime factors of the number 107,892?

 A: 2, 3, 37

Why are those the prime factors of the number 107,892?

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 107,892

107,892
Factor Arrows
253,946
Factor Arrows
226,973
Factor Arrows
38,991
Factor Arrows
32,997
Factor Arrows
3999
Factor Arrows
3333
Factor Arrows
3111
Factor Arrows
337

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, 37

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 37 = 107,892

This can also be written as 22 x 36 x 371 = 107,892

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


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