Foundation November 2017 Paper 1 Q2
2
(a) Write down
(i) a multiple of 13, [1]
(ii) a prime number between 40 and 50. [1]
(b) Find the lowest common multiple (LCM) of 16 and 28. [2]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| (i) Any multiple of 13 | 1 | Allow 13 | |
| (ii) 41, 43 or 47 | 1 | ||
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 112 | 2 | B1 for any common multiple of 16 and 28 or one complete, correct list of multiples leading to 112 or \(2^4 \times 7\) | 16, 32, 48, 64, 80, 96, 112 or 28, 56, 84, 112 |