Question

MDC(3)=
MDC(9)=
MDC(18)=
MDC(81)=
MDC(12)=
MDC(30)=
MDC(45)=
MDC(15)=

Answer 1

3/3
1      = 3

9/3
3/3
1         3x3 = 9

18/2
9/3
3/3
1          2x3x3 = 18

81/3
27/3
9/3
3/3
1            3x3x3x3= 81

12/2
6/2
3/3
1           2x2x3= 12

30/2
15/3
5/5
1       2x3x5 = 30

45/3
15/3
5/5
1       3x3x5 =45

15/3
5/5
1        3x5= 15

Answer 2

MDC(3)= 3

3 | 3

1 ----> 3

MDC(9)= 9

9 | 3

3 | 3

1 -----> 3 × 3 = 9

MDC(18)= 18

18 | 2

9 | 3

3 | 3

1 -----> 2 × 3 × 3 = 18

MDC(81)= 81

81 | 3

27 | 3

9 | 3

3 | 3

1 ------> 3 × 3 × 3 × 3 = 81

MDC(12)= 12

12 | 2

6 | 2

3 | 3

1 -----> 2 × 2 × 3 = 12

MDC(30)= 30

30 | 2

15 | 3

5 | 5

1 -----> 2 × 3 × 5 = 30

MDC(45)= 45

45 | 5

9 | 3

3 | 3

1 ------> 5 × 3 × 3 = 45

MDC(15)= 15

15 | 3

5 | 5

1-----> 3 × 5 = 15