The Greatest Common Divisor of 2 and 20 is as follows:
2
To find the Greatest Common Divisor of 2 and 20, we first list all the divisors of 2
and all the divisors of 20. 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 2 and 20.
Here is the list of 2 divisors: 1, 2
And here is the list of 20 divisors: 1, 2, 4, 5, 10, 20
When we compare the two lists, we see that the greatest number they have in common is 2.
Therefore, once again, the answer to the question "What is the Greatest Common Divisor of 2 and 20?" is:
2
Note, the divisors of 2 are all the numbers you can divide into 2 with no remainder, and the divisors of 20 are
all the numbers you can divide into 20 with no remainder.
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