Q: What are the prime factors of the number 200,772?

 A: 2, 3, 11, 13

Why are those the prime factors of the number 200,772?

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 200,772

200,772
Factor Arrows
2100,386
Factor Arrows
250,193
Factor Arrows
316,731
Factor Arrows
35,577
Factor Arrows
31,859
Factor Arrows
11169
Factor Arrows
1313

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, 11, 13

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 11 x 13 x 13 = 200,772

This can also be written as 22 x 33 x 111 x 132 = 200,772

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


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