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 4
Explain why 6 is a composite number.
How many factors does a composite number have?
List all the composite numbers between 1 and 10.
List all the prime numbers between 10 and 20.
What are the only factors of a prime number?
What is the largest prime number less than 20?
What is the next composite number after 8?
What is the next prime number after 13?
Which of the following is a composite number?
(1) 17
(2) 19
(3) 21
(4) 23
Which of the following is a composite number?
(1) 2
(2) 3
(3) 4
(4) 5
Which of the following is a composite number?
(1) 2
(2) 3
(3) 6
(4) 7
Which of the following is a prime number?
(1) 14
(2) 19
(3) 21
(4) 25
Fill in the blank: A composite number has _______ than two factors.
Fill in the blank: A prime number has exactly _______ factors.
Fill in the blank: The number 1 is _______ a prime nor a composite number.
Fill in the blank: The number 15 is a _______ number.
Is 1 a composite number?
Is 17 a prime number?
Is 2 a composite number?
Is 23 a prime number?
