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8 November, 13:13

What is the highest common factor of 200 and 240

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  1. 8 November, 16:43
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    Hi,

    The fastest way to find the HCF of two numbers is to first prime factorise them,

    200: 2*2*2*5*5

    240: 2*2*2*2*3*5

    Then take the common so; 2*2*2*5

    which is 40
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