| Abstract |
| 0. | Divisor and Multiple |
| 1. | Zero as Divisor and Multiple |
| 2. | Common Divisors and Division |
| 3. | Greatest Common Divisor |
| 4. | The Euclidean Algorithm |
| 5. | A Notation for the GCD Function |
| 6. | Least Common Multiple |
| 7. | A Notation for the LCM Function |
| 8. | Some Properties of the GCD and LCM Functions |
| 9. | Conclusion |
| Acknowledgement |
| References |
| Bibliography |