Q: What are the prime factors of the number 168,540,060?

 A: 2, 3, 5, 13, 173, 1249

Why are those the prime factors of the number 168,540,060?

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 168,540,060

168,540,060
Factor Arrows
284,270,030
Factor Arrows
242,135,015
Factor Arrows
314,045,005
Factor Arrows
52,809,001
Factor Arrows
13216,077
Factor Arrows
1731,249

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, 5, 13, 173, 1249

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 13 x 173 x 1,249 = 168,540,060

This can also be written as 22 x 31 x 51 x 131 x 1731 x 1,2491 = 168,540,060

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


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