Q: What are the prime factors of the number 2,300,672?

 A: 2, 11, 19, 43

Why are those the prime factors of the number 2,300,672?

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 2,300,672

2,300,672
Factor Arrows
21,150,336
Factor Arrows
2575,168
Factor Arrows
2287,584
Factor Arrows
2143,792
Factor Arrows
271,896
Factor Arrows
235,948
Factor Arrows
217,974
Factor Arrows
28,987
Factor Arrows
11817
Factor Arrows
1943

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, 11, 19, 43

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 11 x 19 x 43 = 2,300,672

This can also be written as 28 x 111 x 191 x 431 = 2,300,672

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


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