Q: What are the prime factors of the number 456,192?

 A: 2, 3, 11

Why are those the prime factors of the number 456,192?

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 456,192

456,192
Factor Arrows
2228,096
Factor Arrows
2114,048
Factor Arrows
257,024
Factor Arrows
228,512
Factor Arrows
214,256
Factor Arrows
27,128
Factor Arrows
23,564
Factor Arrows
21,782
Factor Arrows
2891
Factor Arrows
3297
Factor Arrows
399
Factor Arrows
333
Factor Arrows
311

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, 11

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 2 x 2 x 3 x 3 x 3 x 3 x 11 = 456,192

This can also be written as 29 x 34 x 111 = 456,192

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


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