Prime factorisation MCQs

18 is a product of which sequence of prime factors?

• 2 x 3 x 3
• 1 x 3 x 6
• 1 x 2 x 9

12 is a product of which sequence of prime factors?

• 2 x 2 x 3
• 1 x 2 x 6
• 3 x 4

30 is a product of which sequence of prime factors?

• 2 x 3 x 5
• 1 x 2 x 15
• 3 x 10

50 is a product of which sequence of prime factors?

• 2 x 5 x 5
• 1 x 2 x 25
• 1 x 5 x 10

16 is a product of which sequence of prime factors?

• 2 x 2 x 2 x 2
• 2 x 8
• 4 x 4

15 is a product of which sequence of prime factors?

• 3 x 5
• 1 x 15
• 1 x 3 x 5

24 is a product of which sequence of prime factors?

• 2 x 2 x 2 x 3
• 1 x 3 x 8
• 2 x 3 x 4

40 is a product of which sequence of prime factors?

• 2 x 2 x 2 x 5
• 2 x 4 x 5
• 1 x 2 x 20

72 is a product of which sequence of prime factors?

• 2 x 2 x 2 x 3 x 3
• 3 x 4 x 6
• 2 x 3 x 3 x 4

48 is a product of which sequence of prime factors?

• 2 x 2 x 2 x 2 x 3
• 2 x 3 x 8
• 3 x 4 x 4