Q: What are the prime factors of the number 446,656?

 A: 2, 7, 997

Why are those the prime factors of the number 446,656?

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 446,656

446,656
Factor Arrows
2223,328
Factor Arrows
2111,664
Factor Arrows
255,832
Factor Arrows
227,916
Factor Arrows
213,958
Factor Arrows
26,979
Factor Arrows
7997

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, 7, 997

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 997 = 446,656

This can also be written as 26 x 71 x 9971 = 446,656

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


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