The factors of 20 are: 1, 2, 4, 5, 10, 20
The factors of 60 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
The common factors are: 1, 2, 4, 5, 10, 20
The GCF is 20.
The GCF is 5.
The greatest factor common to 20, 60, and 180 is 20 .
The GCF is 20.
GCF = 20
The GCF is 20.
The GCF is 5.
The GCF is 20.
The greatest factor common to 20, 60, and 180 is 20 .
The greatest common factor (GCF) is: 20
The GCF is 20.
The GCF is 20.
GCF(60, 40, 100) = 20.
The GCF is 20. The LCM is 420.
The GCF is 20.
The GCF is 20.
The GCF is 20.