Exercise 2e Natural Numbers

Find the LCM of 3 and 7.

• 12

• 21

• 23

• 15

Find the LCM of 6 and 15.

• 16

• 30

• 22

• 24

Find the LCM of 160 and 400.

• 80

• 300

• 800

• 280

Find the LCM of 8,9 and 12.

• 60

• 68

• 56

• 72

Find the LCM of 24, 44 and 68.

• 3367

• 2233

• 4488

• 5566

Find the LCM of 6 , 9 , 12 and 24

• 68

• 72

• 60

• 70

Find the LCM of 6 , 8 , 12 and 18

• 68

• 72

• 45

• 70

Find the HCF and LCM of 21 and 28.

( ) , ( )

Find the HCF and LCM of 224 and 336.

( ) , ( )

Find the HCF and LCM of 3 , 4 and 6.

( ) , ( )