Q10 of 128 Page 25

Find g. c. d and l.c.m.

112, 128, 144

112 = 2 × 2 × 2 × 2 × 7

128 = 2 × 2 × 2 × 2 × 2 × 2 × 2


144 = 2 × 2 × 2 × 2 × 3 × 3


Therefore, g. c. d(112, 128, 144) = 2 × 2 × 2 × 2 = 16


And l.c.m.(112, 128, 144) = 27 × 3 × 3 × 7 = 8064


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