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Question
Use a method of your own choice to find the H.C.F. of 66, 33 and 132.
Solution
Factor of 66 = F66 = 2 x 3 x 11
Factor of 33 = F33 = 3 x 11
and factor of 132 = F132 = 2 x 2 x 3 x 11
Now the common factor of 66, 33 and 132 = 3 and 11
H.C.F. = 3 x 11 =33
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