Q: What are the prime factors of the number 29,681,080?

 A: 2, 5, 11, 13, 5189

Why are those the prime factors of the number 29,681,080?

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 29,681,080

29,681,080
Factor Arrows
214,840,540
Factor Arrows
27,420,270
Factor Arrows
23,710,135
Factor Arrows
5742,027
Factor Arrows
1167,457
Factor Arrows
135,189

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, 5, 11, 13, 5189

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 13 x 5,189 = 29,681,080

This can also be written as 23 x 51 x 111 x 131 x 5,1891 = 29,681,080

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


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