4 and any multiple of 4 have a GCF of 4.
(4,8) and (8,12) both have a GCF of 4.
Any multiples of 4 that differ by 4.
The GCF is 1.
The GCF is 1.
The GCF is 2.
The Greatest Common Factor (GCF) of (12,32,72) is 4.
The GCF is 2.
The GCF is 1.
The GCF of 12 and 62 is 2.
The factor pairs (not the GCF) of 16 are (16,1)(8,2)(4,4)
The greatest common factor of 4, 6, 10, and 22 is 2.