Number (n) | Number (n) can Divide a given number if: |
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2 | The number ends with 0, 2, 4, 6 or 8. Example 582 is divible by 2 because it ends with 2 |

3 | The sum of the digits are divisible by 3. 123 is divisible by 3 because 1+2+3 = 6 and 6 is divisible by 3. |

4 | The last two digits of a number is divisble by 4 or the last two digits are both zero. 8900 is divisible by 4 because it ends with two zeroes. 81912 is also divisble by 4 because 12(the last two digits) is divisible by 4. |

5 | The last digit of the number ends with 0 or 5. 155 is divisible by 5 because it end with 5. |

6 | If the number is divisble by both 3 and 2. 72 is divisible by 6 because 3 and 2 are multiples of 72. |

7 | If subtracting twice the last digit of the number from the remaining digits is divisible 7. 98 is divisible by 7 because 8 x 2 = 16 and 16-9= 7 and 7 is divisible by 7 |

8 | If the las three digit of the number is divisible by 8. 1280 is divisble by 8 because 280/8 = 35 |

9 | If the sum of the digits is divisible by 9. 585 is divisible by 9 because 5 + 8 + 5 = 18 and 18/9 = 2 |

10 | If the number ends with zero. 1050 is divisible by 10 because the number ends with 0. |

11 | If the difference of the alternating sum of the digits of the number is 0 or divisible by 11. 1078 is divisible by 11 because 1+7 = 8, 0+8 = 8 and 8-8 = 0. |

12 | If the number is divisible by both 4 and 3 |