1 and 5
Yes, they do.
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.
The greatest common factor of 80 and 126 is 2.
The greatest common factor of 80 , 180 = 20
The greatest common factor of 24, 48, and 80 is 8.
The Greatest Common Factor of 80, 52, 60: 4
Since 20 is a factor of 80, all of its factors are common.
21 and 80's highest common factor is one.
The Greatest Common Factor (GCF) is: 10