Q: What are the prime factors of the number 127,734,165?

 A: 3, 5, 13, 8087

Why are those the prime factors of the number 127,734,165?

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 127,734,165

127,734,165
Factor Arrows
342,578,055
Factor Arrows
314,192,685
Factor Arrows
34,730,895
Factor Arrows
31,576,965
Factor Arrows
3525,655
Factor Arrows
5105,131
Factor Arrows
138,087

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:

3, 5, 13, 8087

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 13 x 8,087 = 127,734,165

This can also be written as 35 x 51 x 131 x 8,0871 = 127,734,165

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


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