The GCF is 2.
The GCF is 2, the LCM is 60.
The GCF is: 1
The GCF is 2.
The GCF is 1.
The GCF is 2.
The GCF is 2.
GCF = 2
The GCF is: 12.
The GCF is 2.
Since 4 and 5 are coprime, GCF(4, 12, 10, 5) = GCF(4,5) = 1
Since 10 is a factor of 30, it is automatically the GCF.