Q: What are the prime factors of the number 448,416?

 A: 2, 3, 173

Why are those the prime factors of the number 448,416?

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 448,416

448,416
Factor Arrows
2224,208
Factor Arrows
2112,104
Factor Arrows
256,052
Factor Arrows
228,026
Factor Arrows
214,013
Factor Arrows
34,671
Factor Arrows
31,557
Factor Arrows
3519
Factor Arrows
3173

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, 173

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 3 x 3 x 173 = 448,416

This can also be written as 25 x 34 x 1731 = 448,416

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


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