Yes, that is correct.
Sometimes 2.
Always even.
No, but it's always an even number.
In the list of common factors, the greatest is the largest, the least is the smallest (which is always 1)
Yes, the least common multiple of two numbers is always divisible by those numbers' greatest common factor.
Yes, that is correct.
No.
Yes.
No. The greatest common factor of any two or more numbers is always the single highest common factor.
The greatest common factor of two numbers has to show up on the lists of factors of both numbers.
Sometimes 2.
Yes.
It will always be 1.
No.
Yes.
yes