Q: What are the prime factors of the number 817,226?

 A: 2, 317, 1289

Why are those the prime factors of the number 817,226?

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 817,226

817,226
Factor Arrows
2408,613
Factor Arrows
3171,289

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, 317, 1289

We can check our work by multiplying all of the prime factors together: 2 x 317 x 1,289 = 817,226

This can also be written as 21 x 3171 x 1,2891 = 817,226

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


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