calcule pela decomposiçao simultanea em fatores primos: a) mdc ( 18, 34) b) mdc ( 20, 45) c) mdc ( 48, 76 ) d) mdc ( 64,98,120) e) mdc( 84, 126) f ) mdc( 78, 130 , 55)
Respostas
Resposta:
a)
18, 34 | 2 -----> Fator Comum
9, 17 | 3
3, 17 | 3
1, 17 | 17
1, 1 | R.: MDC(18, 34) = 2
b)
20, 45 | 2 -----> Fator Comum
10, 45 | 2
5, 45 | 3
5, 15 | 3
5, 5 | 5 -----> Fator Comum
1, 1 |2*5---> R.: MDC(20, 45) = 10
c)
48, 76 | 2 -----> Fator Comum
24, 38 | 2 -----> Fator Comum
12, 19 | 2
6, 19 | 2
3, 19 | 3
1, 19 | 19
1, 1 |2*2----> R.: MDC(48, 76) = 4
d)
64, 98, 120 | 2 -----> Fator Comum
32, 49, 60 | 2
16, 49, 30 | 2
8, 49, 15 | 2
4, 49, 15 | 2
2, 49, 15 | 2
1, 49, 15 | 3
1, 49, 5 | 5
1, 49, 1 | 7
1, 7, 1 | 7
1, 1, 1 | R.: MDC(64, 98, 120) = 2
e)
84,126 | 2
42, 63 | 2
21, 63 | 3
7, 21 | 3
7, 7 | 7
1 , 1 |
f) 78,130,55 |2
39,65,55 |3
13,65,55 |5
13,13, 11 |11
13,13,13 |13
1,1,1
Espero ter ajudado, bons estudos :))
Resposta:2 x 13=26.