Higher November 2019 Paper 5 Q2
2 Given that \(168 = 2^3 \times 3 \times 7\), find the lowest common multiple (LCM) of 168 and 30. [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 840 | 3 | M2 for 168 × 5 oe or M1 for 30 = 2 [×] 3 [×] 5 or for at least three multiples of 168 and three multiples of 30 | For M1, accept 2, 3, 5 on a diagram and condone 1 included |