Class6

The smallest prime number

• 1

• 2

• 3

• 4

The HCF of 12 , 24

• 12

• 24

• 36

• 48

The LCM of 84 and 96

• 600

• 572

• 672

• 96

Identify the prime factorisation

• 48=2 x 2 x 3 x4

• 28= 2 x 14

• 12 = 2 x 2 x 3

• 50 = 2 x 25

Write the smallest four digit number and find its prime factorisation

• 1000, 2 x 2x 25 x 10

• 9000, 2x 2x 100x 3

• 1000 , 2 x 2 x 2 x 5 x 5 x 5

• 2000 , 2 x 1000

The lcm of a pair of numbers is 4 and their sum is 6 , what are the numbers

• 2,2

• 3,3

• 2,4

• 1, 5

The smallest whole number

• 1

• 2

• 0

• 10

The smallest natural number

• 1

• 0

• 2

• 5

Predecessor of 100

• 101

• 90

• 99

• 10

Successor of 1000

• 1001

• 1002

• 999

• 900