It can be. 6 is a factor of 12.
Six is a factor of 66.
Six is not a factor of 45 and cannot be part of a factor pair.
The factors of six are one, two, three, and six. The factors of twenty six are one, two, thirteen, and twenty six. Two is the only factor of six that is also a factor of twenty six besides one. Therefore, two is the greatest common factor of six and twenty six.
Nope... 12 is a factor of itself - but not a factor of six.
no
No
No.
No, it is not.
No.
Six is not a factor of 45.
Yes.
Yes.