A common factor refers to a factor that is COMMON to two or more numbers. You have only one number in the question!
The greatest common factor between 55 and 80 is 5.
The GCF is 5.
GCD: 5 LCM: 880
The least common factor of any set of positive integers is 1.
The least common factor of any set of positive integers is 1.
The common factors of 55 and 80 are 1 and 5
The Least Common Multiple (LCM) for 55 80 is 880.
The least common multiple of 55 and 80 is 880.
The greatest common factor of 54 and 80 is 2
The greatest common factor of 80 and 120 is 40.
The greatest common factor of 25 and 80 is 5.
The greatest common factor of 80 and 105 is 5.