| Giver | Post | Date |
| mchllwood | Trick to find divisibility by 7,13,17,19,23,29. | 07-Apr-2016 |
| will1028 | Trick to find divisibility by 7,13,17,19,23,29. | 07-Jul-2015 |
| Nikolaigogol | Trick to find divisibility by 7,13,17,19,23,29. | 03-Jul-2015 |
| reetskaur | Trick to find divisibility by 7,13,17,19,23,29. | 03-Sep-2014 |
| DonQuixote | Trick to find divisibility by 7,13,17,19,23,29. | 09-Aug-2012 |
| SOURH7WK | Trick to find divisibility by 7,13,17,19,23,29. | 07-Aug-2012 |