Q: What are the prime factors of the number 125,580,080?

 A: 2, 5, 97, 16183

Why are those the prime factors of the number 125,580,080?

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 125,580,080

125,580,080
Factor Arrows
262,790,040
Factor Arrows
231,395,020
Factor Arrows
215,697,510
Factor Arrows
27,848,755
Factor Arrows
51,569,751
Factor Arrows
9716,183

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, 97, 16183

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 97 x 16,183 = 125,580,080

This can also be written as 24 x 51 x 971 x 16,1831 = 125,580,080

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


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