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The GCF is 6.
The GCF is 15.
HCF of 12 and 18 is 6 and LCM of 108 and 72 is 216 So: 6 times 216 = 1296
It is 6
The hcf is 12
The LCM is: 90
The GCF is 2.
6
90
12 and 18