Q: What are the prime factors of the number 216,192?

 A: 2, 3, 563

Why are those the prime factors of the number 216,192?

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 216,192

216,192
Factor Arrows
2108,096
Factor Arrows
254,048
Factor Arrows
227,024
Factor Arrows
213,512
Factor Arrows
26,756
Factor Arrows
23,378
Factor Arrows
21,689
Factor Arrows
3563

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, 563

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 563 = 216,192

This can also be written as 27 x 31 x 5631 = 216,192

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


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