Q: What are the prime factors of the number 666,984?

 A: 2, 3, 27791

Why are those the prime factors of the number 666,984?

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 666,984

666,984
Factor Arrows
2333,492
Factor Arrows
2166,746
Factor Arrows
283,373
Factor Arrows
327,791

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, 27791

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 27,791 = 666,984

This can also be written as 23 x 31 x 27,7911 = 666,984

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


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