Q: What are the prime factors of the number 76,760,160?

 A: 2, 3, 5, 43, 3719

Why are those the prime factors of the number 76,760,160?

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 76,760,160

76,760,160
Factor Arrows
238,380,080
Factor Arrows
219,190,040
Factor Arrows
29,595,020
Factor Arrows
24,797,510
Factor Arrows
22,398,755
Factor Arrows
3799,585
Factor Arrows
5159,917
Factor Arrows
433,719

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, 43, 3719

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 5 x 43 x 3,719 = 76,760,160

This can also be written as 25 x 31 x 51 x 431 x 3,7191 = 76,760,160

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


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