Q: What are the prime factors of the number 493,380?

 A: 2, 3, 5, 2741

Why are those the prime factors of the number 493,380?

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 493,380

493,380
Factor Arrows
2246,690
Factor Arrows
2123,345
Factor Arrows
341,115
Factor Arrows
313,705
Factor Arrows
52,741

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, 2741

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 2,741 = 493,380

This can also be written as 22 x 32 x 51 x 2,7411 = 493,380

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


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