Prime and Composite: up to 20

Example Question Before Quiz
Is 3 a prime number?

Question Solution
The only factors of a prime number are 1 and itself.
The only factors of 3 are 1 and 3.
3 is a prime number.

Question 1
Is 5 a prime number or a composite number? Prime numberComposite number

Question 2
Is 10 a prime number or a composite number? Prime numberComposite number

Question 3
Is 11 a prime number? YesNo

Question 4
Is 7 a prime number or a composite number? Prime numberComposite number

Question 5
Is 19 a prime number? YesNo

Question 6
Is 1 a prime number or a composite number? Prime numberComposite number

Question 7
Is 6 a prime number or a composite number? Prime numberComposite number

Question 8
Is 18 a prime number? YesNo

Question 9
Is 9 a prime number or a composite number? Composite numberPrime number

Question 10
Is 2 a prime number or a composite number? Prime numberComposite number

Correct
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0Empty
10