Q: What are the prime factors of the number 129,040,675?

 A: 5, 821, 6287

Why are those the prime factors of the number 129,040,675?

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 129,040,675

129,040,675
Factor Arrows
525,808,135
Factor Arrows
55,161,627
Factor Arrows
8216,287

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:

5, 821, 6287

We can check our work by multiplying all of the prime factors together: 5 x 5 x 821 x 6,287 = 129,040,675

This can also be written as 52 x 8211 x 6,2871 = 129,040,675

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


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