Factors Class 4

1, 2, 3, 4, 6, 8, 12, 24 are factors of ________

• 16

• 28

• 24

• 32

In which of the following set of numbers the first number is a factor of the second number

• 13, 42

• 11, 41

• 7, 43

• 8, 64

____________ is the smallest prime number

• 1

• 2

• 3

• 4

__________among the following is a prime number

• 63

• 42

• 17

• 35

__________among the following is a composite number

• 7

• 14

• 23

• 31

common factors of 16 and 24 are

• 1, 2, 3, 4

• 1, 2, 4, 6

• 1, 2, 4, 8

• 1, 2, 4, 5

Which among the following is a twin prime number

• 2, 3

• 43, 53

• 17, 19

• 61, 71

Number 1 has ________ factors

• 0

• 1

• many

• none of the above

Numbers that have only two factors are called_________numbers

• prime

• composite

• natural

• Whole

All even numbers except _______are composite numbers

• 8

• 6

• 4

• 2