Prime and Composite Numbers
Math
Prime and Composite Numbers starts at 4 and continues till grade 5.
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See sample questions for grade 5
Explain why 13 is a prime number.
Explain why 9 is a composite number.
List all the composite numbers between 1 and 10.
List all the prime numbers between 1 and 10.
List all the prime numbers between 10 and 20.
List all the prime numbers between 30 and 40.
What are the factors of 13?
What are the factors of 15?
Which of the following is a prime number?
(1) 14
(2) 15
(3) 16
(4) 17
Which of the following is NOT a composite number?
(1) 4
(2) 6
(3) 7
(4) 8
Which of the following numbers has exactly two factors?
(1) 9
(2) 13
(3) 15
(4) 21
Which of the following numbers is a composite number?
(1) 19
(2) 23
(3) 25
(4) 29
Fill in the blank: A composite number has more than _______ factors.
Fill in the blank: A prime number has exactly _______ factors.
Fill in the blank: The number _______ is neither prime nor composite.
Fill in the blank: The number 6 is a _______ number.
Is 1 a composite number? (Yes or No)
Is 17 a prime number? (Yes or No)
Is 2 a composite number? (Yes or No)
Is 29 a composite number? (Yes or No)
