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# Math 4.0 - 4.5

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

What are Prime Numbers? | A whole number greater than 1 that has only 2 factors, itself and 1. |

What is a composite number? | A whole number that has more than 2 factors. |

What is a common factor? | A whole number that is a factor of 2 or more nonzero whole numbers. |

What is the GCF? | The greatest whole number that is a factor of 2 or more numbers. |

When is a number relatively prime? | 2 or more numbers are relatively prime if their GCF is 1. |

How do you put a monomial in simplest form? | 1.Factor the N and the D 2.List the factors 3.Find the common factors and put 1's on top of them 4.Multipy the numbers together |

What is a multiple? | A multiple of a whole number is the product of the number and any nonzero whole number. |

What is a common multiple? | A multiple that is shared by 2 or more numbers. |

What is the LCM? | The least of the common multiples of 2 or more numbers. |

What is the LCD? | The LCM of the D's of 2 or more fractions. |

How do you find the LCM of a number? | Do the factor tree then multiply all the numbers together. |

How do you find the LCM of monomials? | Do the factor tree to find the pairs then write all the numbers down in order.Next you multiply all of those together to get your answer. |

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