Which number is a factor of 20 but not a multiple of two 12 5 10 4

Which number is a factor of 20 but not a multiple of two
12
5
10
4


[tex]Which number is a factor of 20 but not a multiple of two 12 5 10 4[/tex]

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This Post Has 10 Comments

  1. 1&20
    2&10
    5&4
    I think they are the only factors of 20 but I could be wrong so the first and second '1&20 and 2&10' should be the answer 🙂

  2. 5 is your answer

    20/4 = 5 however,

    2 x 2.5 = 5 (it doesn't work, cannot have decimals)

    so 5 is your answer

    hope this helps

  3. The best way to do this is just to simply list at all of the possible factors of 20 and then take out those which are multiples of 2:

    20 = 1, 2, 4, 5, 10, 20

    Minus the multiples of 2:

    Leaves only 1 and 5

    The only option of these two on the list is 5 so the answer must be 5

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