The greatest common factor of 12, 18, 20 and 32 is 2.
GCF(4, 8, 12, 16, 20) = 4
The GCF is 4.
20
The GCF is 4.
Factors of 12: 1, 2, 3, 4, 6, 12 Factors of 20: 1, 2, 4, 5, 10, 20 Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24 GCF (12, 20, 24) = 4
The GCF is 4.
The GCF is 4.
The GCF is 2.
The GCF is 4.
The GCF is 4.
The GCF is 2.