Lesson T1.1.2
T1.1.2 Primes, factors and multiples Quiz: KS3 Maths, Unit 1
20 questions
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Lesson T1.1.2, Primes, factors and multiples: 20 multiple choice questions for the KS3 Maths (National Curriculum), Unit 1: Number, written with Revision Ninja.
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The 20 questions
-
Which of these is a prime number?
- 39
- 29
- 27
- 33
-
Which of these is a factor of 36?
- 15
- 10
- 8
- 9
-
Which of these is a multiple of 7?
- 56
- 47
- 58
- 52
-
How many prime numbers are there between 10 and 20?
- 4
- 5
- 3
- 6
-
Is 1 a prime number?
- No, it has only one factor
- Yes, it has no other factors
- No, because it is even
- Yes, because it is odd
-
Which number is a prime factor of 91?
- 21
- 9
- 13
- 4
-
Which number has exactly three factors?
- 10
- 12
- 9
- 8
-
Which of these is NOT a multiple of 3?
- 27
- 47
- 60
- 42
-
What is the next prime number after 7?
- 9
- 10
- 8
- 11
-
Which of these is a common multiple of 2 and 5?
- 12
- 35
- 30
- 25
-
Which number is a common factor of 48 and 60?
- 12
- 16
- 20
- 9
-
How many factors does 20 have?
- 8
- 6
- 4
- 5
-
Which pair of numbers are both prime?
- 9 and 11
- 15 and 17
- 2 and 21
- 3 and 17
-
42 sweets are shared equally among a number of children with none left over. Which number of children is possible?
- 9
- 5
- 8
- 7
-
What is the largest factor of 45 that is less than 45?
- 30
- 9
- 22
- 15
-
If a number is a multiple of 6, which other number must it always be a multiple of?
- 4
- 8
- 3
- 9
-
Which statement about prime numbers is true?
- All odd numbers greater than 2 are prime numbers
- The number 2 is not prime because it is even
- Every prime has exactly two factors
- Every prime number always ends in the digit 1
-
Which of these numbers is composite?
- 51
- 53
- 59
- 61
-
What is the 10th multiple of 7?
- 70
- 77
- 49
- 63
-
How many numbers from 1 to 30 are prime?
- 9
- 8
- 10
- 12
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