Q: What are the prime factors of the number 76,080?

 A: 2, 3, 5, 317

Why are those the prime factors of the number 76,080?

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 76,080

76,080
Factor Arrows
238,040
Factor Arrows
219,020
Factor Arrows
29,510
Factor Arrows
24,755
Factor Arrows
31,585
Factor Arrows
5317

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, 317

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 317 = 76,080

This can also be written as 24 x 31 x 51 x 3171 = 76,080

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


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