The GCF is 1.
The GCF is 6.
3
Since 2 is a factor of 12, it is automatically the GCF.
The GCF is 6.
24 & 36
3360
No. All factors of a number are less than or equal to it. Therefore the highest factor of 12 is 12. The common factor of 12 with any other number (greater than) 12 cannot be greater than the highest factor of 12 which is 12. Thus no. [The hcf(12, 30) = 6.]
The GCF is 2.
Yes, of course.
12, 24, 1200
12, 24, 120