The Greatest Common Divisor of 54 and 45 is as follows:
9
To find the Greatest Common Divisor of 54 and 45, we first list all the divisors of 54
and all the divisors of 45. 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 54 and 45.
Here is the list of 54 divisors: 1, 2, 3, 6, 9, 18, 27, 54
And here is the list of 45 divisors: 1, 3, 5, 9, 15, 45
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 54 and 45?" is:
9
Note, the divisors of 54 are all the numbers you can divide into 54 with no remainder, and the divisors of 45 are
all the numbers you can divide into 45 with no remainder.
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