Q: What are the prime factors of the number 1,448,304?

 A: 2, 3, 11, 13, 211

Why are those the prime factors of the number 1,448,304?

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 1,448,304

1,448,304
Factor Arrows
2724,152
Factor Arrows
2362,076
Factor Arrows
2181,038
Factor Arrows
290,519
Factor Arrows
330,173
Factor Arrows
112,743
Factor Arrows
13211

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, 11, 13, 211

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 11 x 13 x 211 = 1,448,304

This can also be written as 24 x 31 x 111 x 131 x 2111 = 1,448,304

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


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