Q: What are the prime factors of the number 519,180?

 A: 2, 3, 5, 17, 509

Why are those the prime factors of the number 519,180?

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 519,180

519,180
Factor Arrows
2259,590
Factor Arrows
2129,795
Factor Arrows
343,265
Factor Arrows
58,653
Factor Arrows
17509

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, 17, 509

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 17 x 509 = 519,180

This can also be written as 22 x 31 x 51 x 171 x 5091 = 519,180

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


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