Q: What are the prime factors of the number 126,330,500?

 A: 2, 5, 307, 823

Why are those the prime factors of the number 126,330,500?

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 126,330,500

126,330,500
Factor Arrows
263,165,250
Factor Arrows
231,582,625
Factor Arrows
56,316,525
Factor Arrows
51,263,305
Factor Arrows
5252,661
Factor Arrows
307823

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, 307, 823

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 307 x 823 = 126,330,500

This can also be written as 22 x 53 x 3071 x 8231 = 126,330,500

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


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