Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Factors

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

What is Factoring? | Breaking down a number into smaller numbers that can be multiplied together to get the original number. |

What is a Prime Number? | A whole number that has exactly two factors: 1 and itself |

What are factors of 9? | 3x3, 1x3 |

Is 12 prime or composite? | Composite |

What is a Composite Number? | A whole number that can be broken down into two or more factors. |

Is 11 prime or composite? | Prime |

What is the divisibility rule for 2? | Last digit is 0, 2, 4, 6, 8 |

What is the divisibility rule for 3? | The sum of the digits must be divisible by 3. |

What is the divisibility rule for 4? | The last two digits must be divisible by 4. |

What is the divisibility rule for 8? | The last three digits must be divisible by 8. |

What is the divisibility rule for 10? | The last digit must be 0. |

What is the divisibility rule for 9? | The sum of the digits must be divisible by 9. |

What is the divisibility rule for 6? | The rules for 2 and 3 apply, the number has to be even. |

What is GCF? | Greatest Common Factor is the largest factor shared by two numbers. |

What is the GCF of 4 and 16? | 4 |

What is the GCF of 25 and 50? | 25 |

What is the LCM? | Least Common Multiple - the smallest number that is a multiple of both. |

Is the LCM larger or smaller than the 2 numbers being compared? | Larger |

Is the GCF larger or smaller than the 2 numbers being compared? | Smaller |

What is the LCM of 25 and 75? | 25 |

What is the LCM of 120 and 40? | 40 |

What is the LCM of 3 and 4? | 12 |

What is the LCM of 5 and 6? | 30 |

Created by:
azimmermann