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