Q: What are the prime factors of the number 540,524,537?

 A: 7, 17, 648889

Why are those the prime factors of the number 540,524,537?

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 540,524,537

540,524,537
Factor Arrows
777,217,791
Factor Arrows
711,031,113
Factor Arrows
17648,889

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:

7, 17, 648889

We can check our work by multiplying all of the prime factors together: 7 x 7 x 17 x 648,889 = 540,524,537

This can also be written as 72 x 171 x 648,8891 = 540,524,537

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


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