Since 11 and 17 are both prime, you multiply them together to get the LCD which comes out to be 187.
The lcd of 11 is 11.
The LCD is 1. The GCD is 17.
LCD(2, 9, 11) = 198.
I'm not sure if you got the right abbreviation of that term. LCD = Least Common Denominator = 1 GCD = Greatest Common Denominator = 17 LCM = Least Common Multiple = 34
LCD(4, 8, 11) = 88.
11
LCD = 119 (7x17=119)
136
153
119
33
LCD(24, 12, 16, 4, 11) = 528