Q: What are the prime factors of the number 16,448,832?

 A: 2, 3, 19, 167

Why are those the prime factors of the number 16,448,832?

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 16,448,832

16,448,832
Factor Arrows
28,224,416
Factor Arrows
24,112,208
Factor Arrows
22,056,104
Factor Arrows
21,028,052
Factor Arrows
2514,026
Factor Arrows
2257,013
Factor Arrows
385,671
Factor Arrows
328,557
Factor Arrows
39,519
Factor Arrows
33,173
Factor Arrows
19167

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, 19, 167

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 3 x 3 x 3 x 3 x 19 x 167 = 16,448,832

This can also be written as 26 x 34 x 191 x 1671 = 16,448,832

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


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