Q: What are the prime factors of the number 523,608?

 A: 2, 3, 21817

Why are those the prime factors of the number 523,608?

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 523,608

523,608
Factor Arrows
2261,804
Factor Arrows
2130,902
Factor Arrows
265,451
Factor Arrows
321,817

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, 21817

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 21,817 = 523,608

This can also be written as 23 x 31 x 21,8171 = 523,608

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


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