16
8,2
4,2,2
2,2,2,2
28
14,2
7,2,2
2 x 2 = 4, the GCF
The GCF of 16, 28 and 56 is 4.
The GCF is 4.
Since 28 is a factor of 84, it is automatically the GCF.
4
The GCF is 4.
142,7282,142,2,72 x 7 = 14, the GCF
The GCF is 4.
The GCF is 1.
The GCF is: 4
The GCF is 4.
The GCF is 4.
Since 7 is a factor of 28, it is automatically the GCF.