Q: What are the prime factors of the number 451,080?

 A: 2, 3, 5, 7, 179

Why are those the prime factors of the number 451,080?

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 451,080

451,080
Factor Arrows
2225,540
Factor Arrows
2112,770
Factor Arrows
256,385
Factor Arrows
318,795
Factor Arrows
36,265
Factor Arrows
51,253
Factor Arrows
7179

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, 7, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 7 x 179 = 451,080

This can also be written as 23 x 32 x 51 x 71 x 1791 = 451,080

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


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