Q: What are the prime factors of the number 2,233,616?

 A: 2, 7, 11, 37

Why are those the prime factors of the number 2,233,616?

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 2,233,616

2,233,616
Factor Arrows
21,116,808
Factor Arrows
2558,404
Factor Arrows
2279,202
Factor Arrows
2139,601
Factor Arrows
719,943
Factor Arrows
72,849
Factor Arrows
7407
Factor Arrows
1137

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, 11, 37

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 7 x 11 x 37 = 2,233,616

This can also be written as 24 x 73 x 111 x 371 = 2,233,616

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


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