Question: If 
is the greatest common factor of 64 and 26 and 
is the least common factor of 27 and 54 . then the value of 
is:
Approach: This is a relatively easier one. We are well aware of the Greatest Common Factor (GCF), but what is LCF? Please don’t confuse it will LCM. While LCM talks about the lowest common “multiple” while LCF talks about the lowest common “factor”