Q: What are the prime factors of the number 493,280?

 A: 2, 5, 3083

Why are those the prime factors of the number 493,280?

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 493,280

493,280
Factor Arrows
2246,640
Factor Arrows
2123,320
Factor Arrows
261,660
Factor Arrows
230,830
Factor Arrows
215,415
Factor Arrows
53,083

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, 5, 3083

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 3,083 = 493,280

This can also be written as 25 x 51 x 3,0831 = 493,280

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


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