Divisible By | When Possible |

2 | When the last digit is even |

3 | when the sum of the sum of the digits of the given number is divisible by 3 |

4 | When the number formed by the last two digits of the given number is divisible by 4.e.g. 7584 is divisible by 4. |

5 | When the last digit is 0 or 5 |

6 | When the given number is divisible by both 2 and 3 |

7 | When for a given number, double the last digit and subtract it from the rest of the number and the answer is:0, or divisible by 7, that number is divisible by 7.e.g. 672 |

8 | When the number formed by the last 3 digit is divisible by 8 |

9 | When the sum of all the digits of the number is divisible by 9 |

10 | When the last digit of the number is 0 |

11 | When the difference of the sum of 1^{st}, 3^{rd}, 5^{th} ,… and the sum of 2^{nd}, 4^{th}, 6^{th},… digits of the number is 0 or is divisible by 11, the number is divisible by 11.e.g. 3729 is divisible by 11 |

12 | When the number is divisible by both 3 and 4.e.g. 564 is divisible by 12. |

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