Q: What are the prime factors of the number 123,433,308?

 A: 2, 3, 126989

Why are those the prime factors of the number 123,433,308?

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 123,433,308

123,433,308
Factor Arrows
261,716,654
Factor Arrows
230,858,327
Factor Arrows
310,286,109
Factor Arrows
33,428,703
Factor Arrows
31,142,901
Factor Arrows
3380,967
Factor Arrows
3126,989

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, 126989

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 126,989 = 123,433,308

This can also be written as 22 x 35 x 126,9891 = 123,433,308

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


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