Question

Quanto é o mdc de 28,34,52

Answer 1

Basta decompor e multiplicar os que divide ambos ao mesmo tempo ... 

28,34,52/2
14,17,26/2
7,17,13/7
1,17,13/13
1,17,1/17
1,1,1 

Mdc = 2                          ok 

Answer 2

28,34,52/2
14,32,52/2
12,31,51/2
11,31,51/3
11,11,51/5
11,11,11/11
1,1,1