Q: What are the prime factors of the number 12,192?

 A: 2, 3, 127

Why are those the prime factors of the number 12,192?

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 12,192

12,192
Factor Arrows
26,096
Factor Arrows
23,048
Factor Arrows
21,524
Factor Arrows
2762
Factor Arrows
2381
Factor Arrows
3127

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, 127

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 127 = 12,192

This can also be written as 25 x 31 x 1271 = 12,192

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


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