The Greatest Common Divisor of 1 and 12 is as follows:
1
To find the Greatest Common Divisor of 1 and 12, we first list all the divisors of 1
and all the divisors of 12. 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 1 and 12.
Here is the list of 1 divisors: 1
And here is the list of 12 divisors: 1, 2, 3, 4, 6, 12
When we compare the two lists, we see that the greatest number they have in common is 1.
Therefore, once again, the answer to the question "What is the Greatest Common Divisor of 1 and 12?" is:
1
Note, the divisors of 1 are all the numbers you can divide into 1 with no remainder, and the divisors of 12 are
all the numbers you can divide into 12 with no remainder.
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