Question

64. Calcule.
a) mdc (84, 126)
b) mdc (132, 210)
c) mdc (78,130,156)
d) mdc (36, 42,55)
​

Answer 1

84, 126 | 2 ✓

42, 63 | 2

21, 63 | 3 ✓

7, 21 | 3

7, 7 | 7 ✓

1, 1

MDC>> 2 × 3 × 7= 42

____________________

132, 210 | 2 ✓

66, 105 | 2

33, 105 | 3 ✓

11, 35 | 3

11, 7 | 7

11, 1 | 11

1, 1

MDC>> 2 × 3= 6

____________________

78, 130, 156 | 2 ✓

39, 65, 78 | 2

39, 65, 39 | 3

13, 65, 13 | 5

13, 13, 13 | 13 ✓

1, 1, 1

MDC>> 2 × 13= 26

____________________

36, 42, 55 | 2

18, 21, 55 | 2

9, 21, 55 | 3

3, 7, 55 | 3

1, 7, 55 | 5

1, 7, 11 | 7

1, 1, 11 | 11

1, 1, 1

MDC>> 1