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Short answer: There is none.
There is not a least common factor of a single number, such as 51, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The least common factor is the smallest factor that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there is not a least common factor.
Note: The least common factor of two or more positive integers is 1.
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What is the greatest common factor of 51?
There is not a greatest common factor of 51 because there cannot be a greatest common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common.The factors of 51 are 1, 3, 17, and 51.Examples:The greatest common factor of 34 and 51 is 17.The greatest common factor of 51 and 90 is 3.The greatest common factor of 5 and 51 is 1.You need at least two numbers to find a GCF.
Greatest common factor of 51 and 21?
GCF of 21 and 51 is 3.21=3*751=3*17
What is the greatest common factor of 39 48 and 51?
The Greatest Common Factor of 39, 48, 51: 3
What is the common factor of 51 and 57?
The highest common factor is 3
What is the greatest common factor of 34 and 51?
Greatest common factor of 51 and 34 is 17.
