Question

ƯCLN ( 210 ; 150 )

Answer 1

210 = 2 . 3 . 5 . 7

150 = 2 . 3 . 5²

=> ƯCLN(210; 150) = 2.3.5 = 30

Answer 2

210=2*3*5*7; 150=2*3*5²

=>ƯCLN(210;150)=2*3*5=30

Answer 3

Vì : 210=2.3.5.7

      150=2.3.5²

Nên ƯCLN (210 ,150)=2.3.5=30