It is: 28
4
196 = 2 x 2 x 7 x 7; 420 = 2 x 2 x 3 x 5 x 7. Common factors 2 x 2 x 7 ie 28 is the HCF.
196, 392, 588 and so on.
The LCM is: 196
The highest common factor of 196 and 168 is: 7
The Greatest Common Factor (GCF) is: 28.
the answer is 14
It is: 28
The GCF is 28.
The highest common factor is 2
4
It is: 4
The Greatest Common Factor (GCF) is: 28
The GCF is 28.
The LCM of 168 and 196 is 1176
28 (22*7)