Which part of the given diagram represents the common factors of 165, 42 and 30.
The given figure shows a representation of the factors of 30, 42 and 165.
Factors of 30 = 1, 2 , 3 , 5 , 6 , 10 , 15 , 30
Factors of 42= 1 , 2 , 3 , 6 , 7 , 14 , 21 , 42
Factors of 165=1 , 3 , 5 , 11 , 15 ,33 , 55 , 165
Region 'C' belongs to the common factors.