Q: What are the prime factors of the number 22,288?

 A: 2, 7, 199

Why are those the prime factors of the number 22,288?

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 22,288

22,288
Factor Arrows
211,144
Factor Arrows
25,572
Factor Arrows
22,786
Factor Arrows
21,393
Factor Arrows
7199

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, 7, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 199 = 22,288

This can also be written as 24 x 71 x 1991 = 22,288

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


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