Q: What are the prime factors of the number 493,020?

 A: 2, 3, 5, 11, 83

Why are those the prime factors of the number 493,020?

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 493,020

493,020
Factor Arrows
2246,510
Factor Arrows
2123,255
Factor Arrows
341,085
Factor Arrows
313,695
Factor Arrows
34,565
Factor Arrows
5913
Factor Arrows
1183

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, 5, 11, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 11 x 83 = 493,020

This can also be written as 22 x 33 x 51 x 111 x 831 = 493,020

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


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