Q: What are the prime factors of the number 200,687,585?

 A: 5, 7, 73, 229

Why are those the prime factors of the number 200,687,585?

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 200,687,585

200,687,585
Factor Arrows
540,137,517
Factor Arrows
75,733,931
Factor Arrows
7819,133
Factor Arrows
7117,019
Factor Arrows
716,717
Factor Arrows
73229

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, 7, 73, 229

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 7 x 7 x 73 x 229 = 200,687,585

This can also be written as 51 x 74 x 731 x 2291 = 200,687,585

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


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