The greatest common factor (GCF) of 12 and 6 is 6.
To find the GCF, we can list the factors of each number:
- Factors of 12: 1, 2, 3, 4, 6, 12
- Factors of 6: 1, 2, 3, 6
Next, we identify the common factors between the two lists, which are:
- 1, 2, 3, 6
Out of these common factors, the greatest one is 6. Therefore, the GCF of 12 and 6 is 6.