Q: What are the prime factors of the number 33,456?

 A: 2, 3, 17, 41

Why are those the prime factors of the number 33,456?

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 33,456

33,456
Factor Arrows
216,728
Factor Arrows
28,364
Factor Arrows
24,182
Factor Arrows
22,091
Factor Arrows
3697
Factor Arrows
1741

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, 17, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 17 x 41 = 33,456

This can also be written as 24 x 31 x 171 x 411 = 33,456

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


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