5TH GRADE Math

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Can you please show me how to find the common factors of each set of numbers.

1. 1,4,8,32______
2. 1,3,6,12,24_____

  • 5TH GRADE Math -

    To find the common factor of something, you have to post all the factors of each number. For #1 you would do:
    1- 1
    4- 1, 2, 4
    8- 1, 2, 4, 8
    32- 1, 2, 4, 8, 16

    Obviously the first one is 1.

    A easy way to find the common factor of these questions, is simply by seeing the first number. You can see that all of the set of numbers have 1 in it. 1 has no other common factor, and every real number has a factor of 1. So the answer for both of these problems would be one because its the only plausible answer.

    I hope this helps :)

  • 5TH GRADE Math -

    1. 1 = 1*1.
    4 = 1*2*2
    8 = 1*2*2*2.
    32 = 1*2*2*2*2*2.
    The common factor is 1.

    2. 1 = 1*1
    3 = 1*3.
    6 = 1*2*3.
    12 = 1*2*2*3
    24 = 1*2*2*2*3.
    The common factor is 1.






























    the commonfactors are 1,and 3.

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