The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF of 49 and 49 is 49.
51: 51, 102, 153, 204, 255 68: 68, 136, 204, 272, 340 The least common multiple of 51 and 68 is 204.
The GCF is 1.
These numbers are co-prime so there is no common factor above 1.
The GCF is 17.
The GCF is 3.
The GCF is 1.