You need at least two numbers to find something in common.
There cannot be a least common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the smallest of those common factors is the Least Common Factor.
You need at least two numbers to find something in common.
There cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.
There cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.
You need at least two numbers to find a GCF.
The least common factor of any set of integers is 1.
The least common factor of any set of integers is 1.
You need at least two numbers to find a GCF.
You need at least two numbers to find a GCF.
To find a common factor, you need at least two numbers.
You need at least two numbers to find a GCF. There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.
You need at least two numbers to find something in common.
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There cannot be a least common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the smallest of those common factors is the Least Common Factor.
You would never be asked to find the least common factor of a pair of numbers because factors are the numbers that can be multiplied together to get a specific number, and the least common factor of any pair of numbers is always 1. This is because 1 is a factor of every number and is the smallest positive integer. Therefore, finding the least common factor of a pair of numbers would always result in 1, making it unnecessary to calculate.
You need at least two numbers to find something in common.