The LCF is 1. The GCF is 3. The LCM is 18.
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The least common factor of any set of integers is 1.
It is 1 but the HCF is 3
You need at least two numbers to find a GCF.
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 6, 9, 15, and 18 is 3.
The greatest common factor of 39 and 18 is definitely 3.