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HCF(54, 16) = 2
54
6 and 9 both go into 54.
One.
54 is divisible by 2 and 3 which are prime numbers
Two.
The number 1.
The common factors of 54 and 78 are 1, 2, 3, 6.
1 and 2.
6
1 and 2
9 or 3.