143
The lcd of 11 is 11.
LCD(2, 9, 11) = 198.
LCD(7,9,13) = 7*9*13 which is 819
LCD(13, 16) = 208
LCD(4, 8, 11) = 88.
11
The LCD of 13, 14 and 15 is 2730 The LCD of 1/3, 1/4 and 1/5 is 60
LCD(21, 13, 14, 15) = 2730
The least common divisor (LCD) of 8 and 13 is 104.
33
Since 13 is prime and 18=2*3*3, the LCD would be 2*3*3*13, or 234
Since 11 and 17 are both prime, you multiply them together to get the LCD which comes out to be 187.