Q: What are the prime factors of the number 249,066?

 A: 2, 3, 101, 137

Why are those the prime factors of the number 249,066?

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 249,066

249,066
Factor Arrows
2124,533
Factor Arrows
341,511
Factor Arrows
313,837
Factor Arrows
101137

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, 101, 137

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 101 x 137 = 249,066

This can also be written as 21 x 32 x 1011 x 1371 = 249,066

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


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