Q: What are the prime factors of the number 521,732?

 A: 2, 23, 53, 107

Why are those the prime factors of the number 521,732?

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 521,732

521,732
Factor Arrows
2260,866
Factor Arrows
2130,433
Factor Arrows
235,671
Factor Arrows
53107

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, 23, 53, 107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 23 x 53 x 107 = 521,732

This can also be written as 22 x 231 x 531 x 1071 = 521,732

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


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