4MA0 Higher January 2014 Paper 3R Q11
11 Find the Lowest Common Multiple (LCM) of 20 and 24
(2)
| Scheme | Marks |
|---|---|
| \(20 = 2^2 \times 5\) and \(24 = 2^3 \times 3\) or \(2^3 \times 3 \times 5\) or 20,40,60,80,100,120 and 24,48,72,96,120 | M1 |
| 120 | A1 |
| (2) | |
| (2 marks) |
Notes
A1: or \(2^3 \times 3 \times 5\) oe