Math

list the common factors for each pair of numbers. Then find the greatest common factor for each pair.

18 and 30, 9 and 25
60 and 45, 23 and 29
49 and 14, 140 and 25
142 and 148, 84 and 105

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  1. find each multiplication problem that goes into each number starting with 2 and go up. do that with the other number you are comparing and then compare.

    example

    36 and 12

    36 = 1,2,3,4,6,9,12,18,36 are factors 36
    1x36
    2x18
    3x12
    4x9
    6

    12 = 1,2,3,4,6,12 are factors of 12
    1x12
    2x6
    3x4

    now you compare both numbers of their factors
    12 = 1,2,3,4,6,12
    36 = 1,2,3,4,6,9,12,18,36
    find the numbers they have in common which are 1,2,3,4,. then look at which number is greater

    the number is 4

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  2. actually i forgot one number the number is actually 6

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  3. it good and fun

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