factors and multiples

Which is the smallest prime number?

• 1

• 2

• 3

• 4

Which is the smallest odd prime number ?

• 1

• 5

• 3

• 7

Which is the smallest odd composite number ?

• 4

• 6

• 7

• 9

Which number is neither a prime nor a composite number ?

• 1

• 3

• 5

• 7

Which is the smallest composite number?

• 2

• 3

• 4

• 9

Which is the largest two digit prime number?

• 97

• 98

• 99

• 95

All the factors of 49 are.....

• 1,49

• 1,6,8,49

• 1,7

• 1,7,49

HCF of 36 and 45 is ....

• 6

• 12

• 9

• 3

Prime factorization of 90 is....

• 3 X 5 X 6

• 2 x 3 x 3 x 5

• 9 x 10

• 45 x 2

LCM of 33 and 55 is....

• 11

• 1815

• 165

• None of the above