PSLEFind the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- LCM of 4 and 6
- LCM of 3 and 11
- LCM of 16 and 20
- LCM of 2, 7 and 8
(a)
Multiples of 4: 4, 8, 12
Multiples of 6: 6, 12
LCM of 4 and 6 =
12 (b)
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33
Multiples of 11: 11, 22, 33
LCM of 3 and 11 =
33 (c)
Multiples of 16: 16, 32, 48, 64, 80
Multiples of 20: 20, 40, 60, 80
LCM of 16 and 20 =
80 (d)
Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56
Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56
Multiples of 8: 8, 16, 24, 32, 40, 48, 56
LCM of 2, 7 and 8 =
56 Answer(s): 12, 33, 80, 56