This is the way to do it..
Factorize 4,28 using prime numbers only (Prime factorization) till you get 1,1.
The prime numbers used are 2,2 & 7
Therefore HCF(4,28)= 2*2*7 = 28.
4 and 336, respectively.
4.
4
It is: 4
The GCF is 4.
4
4
The GCF is 4.
The GCF is 4.
The GCF is 4.
The HCF is 4
The HCF is 4.