Q: What are the prime factors of the number 668,844?

 A: 2, 3, 11, 563

Why are those the prime factors of the number 668,844?

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 668,844

668,844
Factor Arrows
2334,422
Factor Arrows
2167,211
Factor Arrows
355,737
Factor Arrows
318,579
Factor Arrows
36,193
Factor Arrows
11563

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, 11, 563

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 11 x 563 = 668,844

This can also be written as 22 x 33 x 111 x 5631 = 668,844

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


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