Q: What are the prime factors of the number 404,192?

 A: 2, 17, 743

Why are those the prime factors of the number 404,192?

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 404,192

404,192
Factor Arrows
2202,096
Factor Arrows
2101,048
Factor Arrows
250,524
Factor Arrows
225,262
Factor Arrows
212,631
Factor Arrows
17743

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, 17, 743

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 743 = 404,192

This can also be written as 25 x 171 x 7431 = 404,192

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


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