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# Divisibility by Int.

### 2-10 divisibility rules

Question | Answer |
---|---|

When is a # divisible by 2? | if the integer is EVEN |

When is a # divisible by 3? | if the SUM of the integers' digits is divisible by 3 |

When is a # divisible by 4? | if the integer is divisible by 2 TWICE, or if the last 2 digits are divisible by 4. |

When is a # divisible by 5? | if the integer ends in 0 or 5. |

When is a # divisible by 6? | if the integer is divisible by BOTH 2 & 3. |

When is a # divisible by 7? | only known through long division |

When is a # divisible by 8? | if it can be divided by 2 THREE times, or if the last 3 digits are divisible by 8. |

When is a # divisible by 9? | if the SUM of the integer's digits is divisible by 9. |

When is a # divisible by 10? | when the last digit is a 0. |

Created by:
abubblehead