Factors and Multiples - JSS1 Mathematics Past Questions and Answers - page 1

1

What are numbers greater than 1 that have no divisors other than 1 and themselves?

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A

Factors

B

Multiples

C

Prime numbers

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2

Which of the following numbers is not a prime number?

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A

2

B

7

C

12

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3

What are the prime factors of 36?

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A

2 × 3 × 3

B

2 × 2 × 9

C

3 × 3 × 4

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4

What does 2⁴ represent in index form?

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A

16

B

8

C

32

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5

Which number is a common factor of 24 and 36?

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A

5

B

12

C

20

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6

What is the HCF of 24 and 36?

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A

6

B

12

C

18

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7

What is the LCM of 24 and 36?

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A

48

B

72

C

96

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8

Which of the following is the highest common factor of 18 and 27?

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A

6

B

9

C

12

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9

What are the prime factors of 30?

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A

2 × 3 × 5

B

3 × 3 × 5

C

2 × 5 × 5

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10

Which of the following numbers is a multiple of both 4 and 6?

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A

12

C

8

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