Q: What are the prime factors of the number 523,408?

 A: 2, 32713

Why are those the prime factors of the number 523,408?

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 523,408

523,408
Factor Arrows
2261,704
Factor Arrows
2130,852
Factor Arrows
265,426
Factor Arrows
232,713

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, 32713

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 32,713 = 523,408

This can also be written as 24 x 32,7131 = 523,408

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


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