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Prime and Composite Numbers, Fourth Grade Math Test

Complete the test and get an award.

This is an online and completely free math test created for fourth grade students. In this test, students must differentiate between prime and composite numbers. The correct answer must be chosen from the given choices.
Question 1 (1 point)
Which of these numbers is prime?

Question 2 (1 point)
Which of these numbers is composite?

Question 3 (1 point)
How many factors does a prime number have?

Question 4 (1 point)
What kind of number is [tex]1[/tex]?

Question 5 (1 point)
Which list shows all the factors of [tex]24[/tex]?

Question 6 (1 point)
Which of these numbers is composite?

Question 7 (1 point)
Which of these numbers is not prime?

Question 8 (1 point)
Which pair contains two prime numbers?

Question 9 (1 point)
Which number is both even and prime?

Question 10 (1 point)
A number has exactly two factors: [tex]1[/tex] and itself. What kind of number is it?

Question 11 (1 point)
Why is [tex]36[/tex] a composite number?

Question 12 (1 point)
Which of these numbers is divisible by [tex]3[/tex], and therefore composite?

Question 13 (2 points)
Which statement is true?

Question 14 (2 points)
Which of these is the smallest prime number?

Question 15 (2 points)
Which of these is the smallest composite number?

Question 16 (2 points)
How many prime numbers are there between [tex]1[/tex] and [tex]20[/tex]?


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