| Term | Definition |
|---|
| 2 | Last digit is even or 0 |
| 3 | Sum of digits is a multiple of 3 |
| 4 | Last two digits are a multiple of 4 or 0 |
| 5 | Last digit is 0 or 5 |
| 6 | Divisible by 2 and 3 |
| 7 | Double the last digit and subtract it from the number represented by the remaining digits. If the answer is 0 or divisible by 7, then the original is divisible by 7. |
| 8 | Divisible by 2 and 4 |
| 9 | Sum of digits is a multiple of 9 |
| 10 | Last digit is 0 |
| 11 | Subtract the sum of the even digits from the sum of the odd digits; if the difference, including 0, is divisible by 11, the number is also. |
| 12 | Divisible by 3 and 4. |
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