The GCF is 1.
The GCF of 28 and 34 is 2. To find the GCF of 28 and 34, you can list each number's factors: 28 - 1, 2, 4, 7, 14, 28 34 - 1, 2, 17, 34 The GCF of 28 and 34 is 2.
The GCF of 28 and 68 is 4. The factors of 28 - 1, 2, 4, 7, 14, 28 The factors of 68 - 1, 2, 4, 17, 34, 68 The GCF is 4.
The GCF is 28.
GCF of 102 and 17 is 17.
The GCF is 4.
The GCF is 17.
The GCF is 17.
The GCF is 1.
The GCF is 17.
The GCF is 14.
The GCF is 28.