Question

Calcule o MDC pela decomposição em fatores primos .

a) 60 e 80

b)100,200,250

c) 36 e 90

d) 45,80 e 95

e) 108,132 e 180

Answer 1

a)
60, 80|2<-----
30, 40|2<-------
15, 20|5<-----             MDC= 2²x5= 20
3, 4
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b)
100, 200, 250|2<--------
50, 100, 125|5<-------
10, 20, 25|5<-----               MDC= 5²x2= 50
2, 4, 5
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c)
36, 90|2<--------
18, 45|3<-------
6, 15|3<--------
2, 5                     MDC= 3²x2= 18
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d)
45, 80, 95|5<--------
9, 16, 19                         MDC= 5
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e)
108, 132, 180|2<-------
54, 66, 90|2<-------
27, 33, 45|3<-----
9, 11, 15                           MDC= 2²x3= 12
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Forte abraço!