Q: What are the prime factors of the number 509,160?

 A: 2, 3, 5, 4243

Why are those the prime factors of the number 509,160?

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 509,160

509,160
Factor Arrows
2254,580
Factor Arrows
2127,290
Factor Arrows
263,645
Factor Arrows
321,215
Factor Arrows
54,243

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, 4243

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 4,243 = 509,160

This can also be written as 23 x 31 x 51 x 4,2431 = 509,160

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


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