The Greatest Common Divisor of 63 and 99 is as follows:
9
To find the Greatest Common Divisor of 63 and 99, we first list all the divisors of 63
and all the divisors of 99. Then, we compare the two lists of divisors and pick the largest (greatest)
number that is on both lists, which will be the Greatest Common Divisor of 63 and 99.
Here is the list of 63 divisors: 1, 3, 7, 9, 21, 63
And here is the list of 99 divisors: 1, 3, 9, 11, 33, 99
When we compare the two lists, we see that the greatest number they have in common is 9.
Therefore, once again, the answer to the question "What is the Greatest Common Divisor of 63 and 99?" is:
9
Note, the divisors of 63 are all the numbers you can divide into 63 with no remainder, and the divisors of 99 are
all the numbers you can divide into 99 with no remainder.
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