Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
For 2 and 4,
- First common multiple
- Lowest common multiple
- Third common multiple
- Highest common factor
(a)
Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, ...
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, ...
First common multiple = 4
(b)
Lowest common multiple = 4
(c)
Third common multiple
= 3 x 4
= 12
(d)
Factors of 2: 1, 2
Factors of 4: 1, 2, 4
Highest common factor = 2
Answer(s): 4, 4, 12, 2