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Math: Middle School: Grades 6, 7 and 8 Quiz - Algebra - Prime Numbers (Questions)

This Math quiz is called 'Algebra - Prime Numbers' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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Math students are often taught that a prime number is sometimes described as 'a number that has only two factors - 1 and itself'.

Try this Algebra quiz all about prime numbers to see if you understand what that really means.

1. The word 'prime' is an abbreviation for what?
[ ] Primary
[ ] Primative
[ ] Priority
[ ] It is not an abbreviation
2. The number 24 has eight factors. Seven of the factors are 1, 2, 3, 4, 6, 12 and 24. What is the missing factor?
[ ] 5
[ ] 8
[ ] 10
[ ] 14
3. Is the number 14 a prime number?
[ ] Yes
[ ] No
[ ] Yes, because it is divisible by 2
[ ] It depends which way you look at it
4. Which of these numbers is a prime number?
[ ] 4
[ ] 7
[ ] 9
[ ] 12
5. Is the number 1 a prime number?
[ ] Yes, because it is a positive whole number
[ ] No
[ ] Sometimes
[ ] Yes, because it is only divisible by itself and 1
6. Which of these is not a prime number?
[ ] 13
[ ] 15
[ ] 17
[ ] 19
7. Which of these is a prime number?
[ ] 33
[ ] 35
[ ] 37
[ ] 39
8. What is the next prime number after 43?
[ ] 44
[ ] 45
[ ] 46
[ ] 47
9. Is there an easy way to work out which numbers are prime?
[ ] Yes
[ ] No
[ ] Sometimes
[ ] Only if you are a genius
10. What is the next prime number after 97?
[ ] 98
[ ] 99
[ ] 100
[ ] 101
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Math: Middle School: Grades 6, 7 and 8 Quiz - Algebra - Prime Numbers (Answers)
1. The word 'prime' is an abbreviation for what?
[ ] Primary
[ ] Primative
[ ] Priority
[x] It is not an abbreviation
Prime is a word in its own right
2. The number 24 has eight factors. Seven of the factors are 1, 2, 3, 4, 6, 12 and 24. What is the missing factor?
[ ] 5
[x] 8
[ ] 10
[ ] 14
All the numbers given (along with the correct answer, 8) can be divided into 24 with the result that the answer is a whole number
3. Is the number 14 a prime number?
[ ] Yes
[x] No
[ ] Yes, because it is divisible by 2
[ ] It depends which way you look at it
There are four factors of 14 - the numbers 1, 2, 7 and 14. Because there are more than two factors, it cannot be a prime number
4. Which of these numbers is a prime number?
[ ] 4
[x] 7
[ ] 9
[ ] 12
All the incorrect answers have three or more factors
5. Is the number 1 a prime number?
[ ] Yes, because it is a positive whole number
[x] No
[ ] Sometimes
[ ] Yes, because it is only divisible by itself and 1
The number 1 has only one factor - itself. Remember the rule, a prime number has TWO factors itself AND 1
6. Which of these is not a prime number?
[ ] 13
[x] 15
[ ] 17
[ ] 19
7. Which of these is a prime number?
[ ] 33
[ ] 35
[x] 37
[ ] 39
8. What is the next prime number after 43?
[ ] 44
[ ] 45
[ ] 46
[x] 47
9. Is there an easy way to work out which numbers are prime?
[ ] Yes
[x] No
[ ] Sometimes
[ ] Only if you are a genius
Unfortunately you have to either learn the numbers or work them out
10. What is the next prime number after 97?
[ ] 98
[ ] 99
[ ] 100
[x] 101
1 and 101 are the only factors of 101 and therefore it is a prime number