Q: What are the prime factors of the number 118,736?

 A: 2, 41, 181

Why are those the prime factors of the number 118,736?

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 118,736

118,736
Factor Arrows
259,368
Factor Arrows
229,684
Factor Arrows
214,842
Factor Arrows
27,421
Factor Arrows
41181

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, 41, 181

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 41 x 181 = 118,736

This can also be written as 24 x 411 x 1811 = 118,736

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


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