Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
For 3 and 4,
- First common multiple
- Lowest common multiple
- Third common multiple
- Highest common factor
(a)
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, ...
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, ...
First common multiple = 12
(b)
Lowest common multiple = 12
(c)
Third common multiple
= 3 x 12
= 36
(d)
Factors of 3: 1, 3
Factors of 4: 1, 2, 4
Highest common factor = 1
Answer(s): 12, 12, 36, 1