The greatest common factor, or GCF, is the largest positive integer that will divide evenly with no remainder into all the members of a given set of numbers.
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The least common factor is a term often mistakenly given to either the greatest common factor (GCF) or the least common multiple (LCM). This term is not often used because it does not describe a useful relationship between numbers. Since 1 evenly divides all integers, 1 is technically the least common factor for any set of integers.The smallest non-one common factor of 192 and 1296 is 2.
The greatest factor of a single term is the term itself.
That's a misrepresentation of the term "greatest common factor," or GCF, which is the largest number that will divide evenly with no remainder into all the members of a set of two or more given numbers.
xxyyyzz is one term. You need at least two terms to find a GCF.
15t2 is one term. To find a GCF, you need at least two.