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LCM=18=2*32
HCF(guess that is what u meant, highest common factor)=3
Possibilities: 3 and 18, 6 and 9, three or all of the numbers together.
Note:
3 and 6 gives a LCM of 6
3 and 9 gives a LCM of 9
6 and 18 gives a HCF of 6
9 and 18 gives a HCF of 9
Three or four out of the numbers (3,6,9 and 18) will give you LCM of 18 and HCF of 3 as well.
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