The Greatest Common Divisor of 70 and 40 is as follows:
10
To find the Greatest Common Divisor of 70 and 40, we first list all the divisors of 70
and all the divisors of 40. 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 70 and 40.
Here is the list of 70 divisors: 1, 2, 5, 7, 10, 14, 35, 70
And here is the list of 40 divisors: 1, 2, 4, 5, 8, 10, 20, 40
When we compare the two lists, we see that the greatest number they have in common is 10.
Therefore, once again, the answer to the question "What is the Greatest Common Divisor of 70 and 40?" is:
10
Note, the divisors of 70 are all the numbers you can divide into 70 with no remainder, and the divisors of 40 are
all the numbers you can divide into 40 with no remainder.
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