Question

M.d.c.(72 e 81) =


m.d.c.(48,32) =


m.d.c.(18,27,45) = 3.3 =

Answer 1

a) mdc (72,81) = 9

72, 81: 2
36, 81: 2
18,81: 2
9, 81: 3
3, 27: 3
1,9: 3
1, 3: 3
1,1       =    3.3 = 9
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b) mdc (48,32) = 16

48, 32: 2
24,16: 2
12, 8: 2
6, 4: 2
3, 2: 2
3,1: 3
1,1     =2.2.2.2 = 16
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c) mdc (18,27,45) = 9

18,27,45: 2
9,27,45: 3
3,9,15: 3
1,3,5: 3
1,1,5: 5
1,1,1       = 3.3 = 9