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To figure out the HCF of 28 and 60, split them up into their prime factors:
28 = 2x2x7
60 = 2x2x3x5
The next step is to identify any common prime factors. In this case, both numbers have two 2s as prime factors. Multiply these together and you get:
2x2 = 4
Therefore 4 is the HCF of 28 and 60.
4.
The HCF is 4
4 is the hcf
The HCF of both numbers is 4
4
The GCF is 4.
4 and 336, respectively.
hcf = 4 and lcm = 420
It is: 4