The GCF is 7.
The GCF is 28.
If that's 28, 56 and 84, the GCF is 28. If that's 2856 and 84, the GCF is 84.
The GCF is 14.
The GCF of 28, 84, and 91 is 7.
The GCF is 14.
The GCF is 14.
The GCF is 7.
If that's 14, 84 and 28, the GCF is 14. If that's 148 and 428, the GCF is 4.
The GCF is 14.
The GCF is 14.
The GCF is 28.
If that's 28, 56 and 84, the GCF is 28. If that's 2856 and 84, the GCF is 84.
The GCF is 14.
The GCF is 14.
The GCF of 28, 84, and 91 is 7.
The GCF is 28.