Q: What are the prime factors of the number 123,008,528?

 A: 2, 41, 187513

Why are those the prime factors of the number 123,008,528?

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 123,008,528

123,008,528
Factor Arrows
261,504,264
Factor Arrows
230,752,132
Factor Arrows
215,376,066
Factor Arrows
27,688,033
Factor Arrows
41187,513

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, 187513

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 41 x 187,513 = 123,008,528

This can also be written as 24 x 411 x 187,5131 = 123,008,528

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


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