Hcf of 36 and 21

Answer 1

30 -> 1,2,3,5,6,10,15,30

210 -> 1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

700 -> 1,2,4,5,7,10,20.25,28,35,70,100,140,175,350,700

GCF is 10

Answer 2

The HCF of 210 and 240 is 30.

The LCM is 1680.

Answer 3

210 = 3 x 7 x 10

240 = 3 x 8 x 10

HCF = 3 x 7 x 8 x 10 = 210 x 8 =1680

Answer 4

It is: 8

Answer 5

It is: 3