Q: What are the prime factors of the number 89,922?

 A: 2, 3, 7, 2141

Why are those the prime factors of the number 89,922?

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 89,922

89,922
Factor Arrows
244,961
Factor Arrows
314,987
Factor Arrows
72,141

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, 2141

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 2,141 = 89,922

This can also be written as 21 x 31 x 71 x 2,1411 = 89,922

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


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