Q: What are the prime factors of the number 2,206,976?

 A: 2, 37, 233

Why are those the prime factors of the number 2,206,976?

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 2,206,976

2,206,976
Factor Arrows
21,103,488
Factor Arrows
2551,744
Factor Arrows
2275,872
Factor Arrows
2137,936
Factor Arrows
268,968
Factor Arrows
234,484
Factor Arrows
217,242
Factor Arrows
28,621
Factor Arrows
37233

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, 37, 233

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 2 x 2 x 37 x 233 = 2,206,976

This can also be written as 28 x 371 x 2331 = 2,206,976

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


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