Q: What are the prime factors of the number 44,160?

 A: 2, 3, 5, 23

Why are those the prime factors of the number 44,160?

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 44,160

44,160
Factor Arrows
222,080
Factor Arrows
211,040
Factor Arrows
25,520
Factor Arrows
22,760
Factor Arrows
21,380
Factor Arrows
2690
Factor Arrows
2345
Factor Arrows
3115
Factor Arrows
523

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, 5, 23

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 2 x 3 x 5 x 23 = 44,160

This can also be written as 27 x 31 x 51 x 231 = 44,160

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


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