Q: What are the prime factors of the number 12,448,224?

 A: 2, 3, 43223

Why are those the prime factors of the number 12,448,224?

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 12,448,224

12,448,224
Factor Arrows
26,224,112
Factor Arrows
23,112,056
Factor Arrows
21,556,028
Factor Arrows
2778,014
Factor Arrows
2389,007
Factor Arrows
3129,669
Factor Arrows
343,223

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, 43223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 43,223 = 12,448,224

This can also be written as 25 x 32 x 43,2231 = 12,448,224

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


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