Q: What are the prime factors of the number 517,871?

 A: 17, 41, 743

Why are those the prime factors of the number 517,871?

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 517,871

517,871
Factor Arrows
1730,463
Factor Arrows
41743

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:

17, 41, 743

We can check our work by multiplying all of the prime factors together: 17 x 41 x 743 = 517,871

This can also be written as 171 x 411 x 7431 = 517,871

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


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