What's the Greatest Common Factor for 6 and 24, 8 and 28, 6 and 24, 24 and 30, 12 and 40, 18 and 27, 14 and 18

Question

24 and 45, 10 and 22, 11 and 15, and 21 and 27.

Answer 1

Finding the Greatest common factor

6 divided by 2 = 3

3 divided by 3 = 1

6 = 2 x 3

The common factors for 6 are 2 x 3

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24 divided by 2 = 12

12 divided by 2 = 6

6 divided by 2 = 3

3 divided by 3 = 1

24 = 2 x 2 x 2 x 3

The common factors fo 24 are 2 x 2 x 2 x 3

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6 = 2 x 3

24 = 2 x 2 x 2 x 3

Notice there are 2 and 3 in both factors

you want to use the numbers that are similar in both factors to obtain the Greatest common Factor

The Greatest Common Factor is 2 x 3 = 6

The GCF = 6

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Answer 2

6 and 24; 6
8 and 28; 4
6 and 24; 6
24 and 30; 6
12 and 40; 4
18 and 27; 9
14 and 18 ; 2
24 and 45; 3
10 and 22; 2
11 and 15; 1
21 and 27; 3