Q: What are the prime factors of the number 493,608?

 A: 2, 3, 131, 157

Why are those the prime factors of the number 493,608?

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 493,608

493,608
Factor Arrows
2246,804
Factor Arrows
2123,402
Factor Arrows
261,701
Factor Arrows
320,567
Factor Arrows
131157

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, 131, 157

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 131 x 157 = 493,608

This can also be written as 23 x 31 x 1311 x 1571 = 493,608

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


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