FACTORS AND MULTIPLES Quiz-A

Which of the following numbers is an even number?

(a)  

• 13

• 24
• 17

• 35

Which of the following numbers is an odd number?

(a)  

• 42

• 56

• 19
• 88

Which of the following numbers is a prime number?

• 21

• 33

• 17

• 27

Which of the following numbers is a composite number?

(a)  

• 2

• 3

• 5

• 12

What is the prime factorization of 60?

• 2x2x3x5

• 2x3x5x7

• 2x2x5x7

• 2x2x10

Which of the following is a multiple of 7?

• 21

• 25

• 32

• 45

What is the least common multiple (LCM) of 4 and 6?

What is the highest common factor (HCF) of 15 and 25?

Which of the following numbers is NOT a prime number?

• 2

• 11

• 15

• 17

Which of the following is a factor of 36?

(a)  

• 7

• 8

• 9
• 11