Answer:
1 ×6 1 = remainder obtained by dividing 1 × 1 by 6
= 1
3 ×6 4 = remainder obtained by dividing 3 × 4 by 6
= 0
4 ×6 5 = remainder obtained by dividing 4 × 5 by 6
= 2
Composition table:
| ×6 | 0 | 1 | 2 | 3 | 4 | 5 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 2 | 3 | 4 | 5 |
| 2 | 0 | 2 | 4 | 0 | 2 | 4 |
| 3 | 0 | 3 | 0 | 3 | 0 | 3 |
| 4 | 0 | 4 | 2 | 0 | 4 | 2 |
| 5 | 0 | 5 | 4 | 3 | 2 | 1 |