Q: What are the prime factors of the number 823,074?

 A: 2, 3, 7, 19597

Why are those the prime factors of the number 823,074?

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 823,074

823,074
Factor Arrows
2411,537
Factor Arrows
3137,179
Factor Arrows
719,597

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, 7, 19597

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 19,597 = 823,074

This can also be written as 21 x 31 x 71 x 19,5971 = 823,074

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


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