Q: What are the prime factors of the number 117,192?

 A: 2, 3, 19, 257

Why are those the prime factors of the number 117,192?

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 117,192

117,192
Factor Arrows
258,596
Factor Arrows
229,298
Factor Arrows
214,649
Factor Arrows
34,883
Factor Arrows
19257

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, 19, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 19 x 257 = 117,192

This can also be written as 23 x 31 x 191 x 2571 = 117,192

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


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