Q: What are the prime factors of the number 843,564?

 A: 2, 3, 70297

Why are those the prime factors of the number 843,564?

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 843,564

843,564
Factor Arrows
2421,782
Factor Arrows
2210,891
Factor Arrows
370,297

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, 70297

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 70,297 = 843,564

This can also be written as 22 x 31 x 70,2971 = 843,564

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


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