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Prime and Composite Numbers - Revision Quiz 1

Question 1 of 6

\(2\) is a prime number because:

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Prime and Composite Numbers - Revision Quiz 1

Question 2 of 6

The factors of \({\rm{18}}\) are:

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Prime and Composite Numbers - Revision Quiz 1

Question 3 of 6

Which of the following numbers is not a factor of \({\rm{48}}\)?

A

\(4\)

B

\(8\)

C

\(9\)

D

\(12\)

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Prime and Composite Numbers - Revision Quiz 1

Question 4 of 6

Which of the following numbers only has two factors which are prime numbers?

A

\(42\)

B

\(32\)

C

\(22\)

D

\(12\)

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Prime and Composite Numbers - Revision Quiz 1

Question 5 of 6

Which of the following sets of numbers contain only prime numbers?

A

11, 17, 19 and 21

B

11, 13, 17 and 19

C

13, 15, 17 and 19

D

15, 17, 19 and 21

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Prime and Composite Numbers - Revision Quiz 1

Question 6 of 6

28 is the perfect number because all factors of 28 (except 28) add to 28. List all the factors of 28 and show that this is true.

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SA Y7 Maths

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Prime and Composite Numbers - Questions

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Question 1

\(2\) is a prime number because:

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Prime and Composite Numbers - Revision Quiz 1

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Prime and Composite Numbers - Revision Quiz 1

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Prime and Composite Numbers - Revision Quiz 1

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Prime and Composite Numbers - Revision Quiz 1

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Prime and Composite Numbers - Revision Quiz 1

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Prime and Composite Numbers - Revision Quiz 1

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