# Q: What are the prime factors of the number 515,434?

A: 2, 257717

## Why are those the prime factors of the number 515,434?

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 515,434

 515,434 2 257,717

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, 257717

We can check our work by multiplying all of the prime factors together: 2 x 257,717 = 515,434

This can also be written as 21 x 257,7171 = 515,434

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

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