Back to Index | Print Version Answers |

Worksheet 4 - The Highest Common Factor (HCF) and the Lowest Common Multiple (LCM) (Difficulty level: Very Hard) | ||||
---|---|---|---|---|

The Highest Common Factor (H.C.F.) of: | ||||

10290 and 9261 is ____ | 192 and 120 is ____ | 560 and 420 is ____ | 5880 and 1470 is ____ | 600 and 300 is ____ |

300 and 360 is ____ | 3150 and 2100 is ____ | 3430 and 3920 is ____ | 5250 and 7000 is ____ | 840 and 630 is ____ |

252 and 882 is ____ | 1176 and 2058 is ____ | 6125 and 1750 is ____ | 3087 and 5145 is ____ | 3920 and 980 is ____ |

168 and 216 is ____ | 756 and 504 is ____ | 2646 and 882 is ____ | 1134 and 252 is ____ | 270 and 720 is ____ |

324 and 180 is ____ | 540 and 360 is ____ | 7350 and 4900 is ____ | 2800 and 2450 is ____ | 1260 and 630 is ____ |

882 and 2646 is ____ | 3920 and 1960 is ____ | 2450 and 1960 is ____ | 216 and 324 is ____ | 800 and 700 is ____ |

1050 and 2450 is ____ | 2940 and 3920 is ____ | 630 and 1134 is ____ | 450 and 1125 is ____ | 3150 and 1750 is ____ |

3000 and 2625 is ____ | 630 and 1680 is ____ | 1890 and 420 is ____ | 560 and 840 is ____ | 450 and 300 is ____ |

1050 and 2100 is ____ | 120 and 540 is ____ | 96 and 48 is ____ | 448 and 224 is ____ | 672 and 168 is ____ |

448 and 224 is ____ | 288 and 72 is ____ | 700 and 980 is ____ | 700 and 2450 is ____ | 1575 and 3675 is ____ |

180 and 360 is ____ | 840 and 1260 is ____ | 360 and 300 is ____ | 3150 and 700 is ____ | 1050 and 2100 is ____ |

300 and 540 is ____ | 8575 and 7350 is ____ | 336 and 280 is ____ | 1260 and 1134 is ____ | 1050 and 1260 is ____ |

720 and 540 is ____ | 700 and 1120 is ____ | 3528 and 1323 is ____ | 882 and 3969 is ____ | 630 and 360 is ____ |

216 and 192 is ____ | 3920 and 2450 is ____ | 2352 and 1764 is ____ | 3430 and 2940 is ____ | 2646 and 2058 is ____ |

4200 and 1050 is ____ | 112 and 168 is ____ | 2352 and 2646 is ____ | 3675 and 4200 is ____ | 252 and 1134 is ____ |

The Lowest Common Multiple (L.C.M.) of: | ||||

84 and 525 is ____ | 1029 and 60 is ____ | 686 and 588 is ____ | 294 and 784 is ____ | 375 and 336 is ____ |

225 and 648 is ____ | 150 and 588 is ____ | 315 and 1440 is ____ | 150 and 1008 is ____ | 60 and 294 is ____ |

210 and 168 is ____ | 441 and 240 is ____ | 140 and 336 is ____ | 60 and 1792 is ____ | 60 and 288 is ____ |

350 and 1176 is ____ | 84 and 504 is ____ | 490 and 350 is ____ | 294 and 252 is ____ | 84 and 640 is ____ |

54 and 192 is ____ | 294 and 1024 is ____ | 56 and 224 is ____ | 36 and 100 is ____ | 686 and 576 is ____ |

625 and 576 is ____ | 250 and 750 is ____ | 294 and 1080 is ____ | 100 and 200 is ____ | 60 and 525 is ____ |

126 and 432 is ____ | 150 and 2352 is ____ | 735 and 448 is ____ | 210 and 1008 is ____ | 875 and 768 is ____ |

60 and 192 is ____ | 210 and 168 is ____ | 735 and 315 is ____ | 100 and 504 is ____ | 56 and 560 is ____ |

54 and 90 is ____ | 210 and 252 is ____ | 375 and 896 is ____ | 875 and 980 is ____ | 90 and 3584 is ____ |

140 and 560 is ____ | 350 and 140 is ____ | 315 and 720 is ____ | 735 and 720 is ____ | 140 and 84 is ____ |

1715 and 441 is ____ | 294 and 896 is ____ | 490 and 336 is ____ | 1715 and 784 is ____ | 350 and 140 is ____ |

210 and 960 is ____ | 126 and 252 is ____ | 1715 and 896 is ____ | 189 and 672 is ____ | 490 and 256 is ____ |

60 and 144 is ____ | 36 and 800 is ____ | 315 and 1960 is ____ | 1715 and 504 is ____ | 189 and 84 is ____ |

90 and 216 is ____ | 225 and 672 is ____ | 40 and 840 is ____ | 56 and 1120 is ____ | 350 and 480 is ____ |

84 and 720 is ____ | 315 and 1152 is ____ | 140 and 840 is ____ | 24 and 960 is ____ | 24 and 384 is ____ |

Copyright 2009 - Adam Malinowski. (Member of CAL, Statutory Licence Schemes)