Q: What are the prime factors of the number 535,500?

 A: 2, 3, 5, 7, 17

Why are those the prime factors of the number 535,500?

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 535,500

535,500
Factor Arrows
2267,750
Factor Arrows
2133,875
Factor Arrows
344,625
Factor Arrows
314,875
Factor Arrows
52,975
Factor Arrows
5595
Factor Arrows
5119
Factor Arrows
717

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, 3, 5, 7, 17

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 5 x 7 x 17 = 535,500

This can also be written as 22 x 32 x 53 x 71 x 171 = 535,500

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


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