SOLUTION: Find two numbers whose GCF is 3 and twice the smaller number is the bigger.

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Question 1102080: Find two numbers whose GCF is 3 and twice the smaller number is the bigger.
Answer by greenestamps(13200) About Me  (Show Source):
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Both numbers must be multiples of 3; and the larger must be twice the smaller.

So 3 and 6 certainly satisfy the conditions.

And if the smaller number were any multiple of 3 greater than 3, then the GCF of the two numbers would be greater than 3.

So the two numbers are 3 and 6.