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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 45, 54, and 72 is 3.
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Earn +20 ptsQ: What is the least common factor of 45 54 and 72?
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