Q: What are the prime factors of the number 819,568?

 A: 2, 181, 283

Why are those the prime factors of the number 819,568?

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 819,568

819,568
Factor Arrows
2409,784
Factor Arrows
2204,892
Factor Arrows
2102,446
Factor Arrows
251,223
Factor Arrows
181283

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, 181, 283

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 181 x 283 = 819,568

This can also be written as 24 x 1811 x 2831 = 819,568

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


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