Q: What are the prime factors of the number 123,723,582?

 A: 2, 3, 20620597

Why are those the prime factors of the number 123,723,582?

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 123,723,582

123,723,582
Factor Arrows
261,861,791
Factor Arrows
320,620,597

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, 20620597

We can check our work by multiplying all of the prime factors together: 2 x 3 x 20,620,597 = 123,723,582

This can also be written as 21 x 31 x 20,620,5971 = 123,723,582

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


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