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16 June, 22:50

Which of the following pairs of numbers has a GCF of 1? 30 and 70 24 and 44 12 and 30 16 and 21

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  1. 17 June, 01:29
    0
    Must be 16 and 21 because we can see

    30 and 70 has 10 as factor

    24 and 44 has 2 as factor

    12 and 30 has 2 as factor and all those factors are greater than one
  2. 17 June, 01:42
    0
    16 to 21 is the answer ...
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