Q: What are the prime factors of the number 135,996?

 A: 2, 3, 7, 1619

Why are those the prime factors of the number 135,996?

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 135,996

135,996
Factor Arrows
267,998
Factor Arrows
233,999
Factor Arrows
311,333
Factor Arrows
71,619

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, 7, 1619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 1,619 = 135,996

This can also be written as 22 x 31 x 71 x 1,6191 = 135,996

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


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