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Prime Numbers

Description: Prime Numbers KS2
Number of Questions: 30
Created by:
Tags: Prime Numbers KS2 Prime numbers
Attempted 0/30 Correct 0 Score 0

Which of the following is a prime number?

  1. 1

  2. 2

  3. 6

  4. 18


Correct Option: B
Explanation:

2 is a prime number.

Which of the following is a prime number?

  1. 7

  2. 14

  3. 51

  4. 81


Correct Option: A
Explanation:

7 is a prime number.

Which of the following is a prime number?

  1. 31

  2. 51

  3. 81

  4. 121


Correct Option: A
Explanation:

31 is a prime number.

Which of the following is a prime number?

  1. 21

  2. 57

  3. 97

  4. None of these


Correct Option: C
Explanation:

97 is a prime number.

The numbers that have only two factors, 1 and the number itself, are called ______.

  1. prime numbers

  2. numbers

  3. whole numbers

  4. irrational numbers


Correct Option: A
Explanation:

The number that have only two factors, 1 and the number itself, are called prime numbers.

Which of the following is a prime number?

  1. 4

  2. 7

  3. 18

  4. 27


Correct Option: B
Explanation:

7 is a prime number.

Which of the following is a prime number?

  1. 49

  2. 37

  3. 16

  4. All of the above


Correct Option: B
Explanation:

37 is a prime number.

Which of the following are prime numbers?

  1. 11 and 15

  2. 13 and 17

  3. 17 and 27

  4. None of these


Correct Option: B
Explanation:

13 and 17 are prime numbers.

Which of the following is a prime number?

  1. 97

  2. 99

  3. 105

  4. 110


Correct Option: A
Explanation:

97 is a prime number.

Which of the following is a prime number?

  1. 3

  2. 9

  3. 15

  4. 25


Correct Option: A
Explanation:

3 is a prime number.

Which of the following is a prime number?

  1. 63

  2. 83

  3. 105

  4. 120


Correct Option: B
Explanation:

83 is a prime number.

Which of the following is a prime number?

  1. 1

  2. 11

  3. 26

  4. 35


Correct Option: B
Explanation:

Only 11 is a prime number.

Which of the following pairs has prime numbers?

  1. 91 and 99

  2. 13 and 91

  3. 7 and 91

  4. 13 and 7


Correct Option: D
Explanation:

13 and 7 are prime numbers.

Which of the following are prime numbers?

  1. 73 and 23

  2. 33 and 73

  3. 23 and 33

  4. None of these


Correct Option: A
Explanation:

73 and 23 are prime numbers

How many prime numbers are there between 100 and 150?

  1. 10

  2. 9

  3. 8

  4. 6


Correct Option: A
Explanation:

There are 10 prime numbers between 100 and 150.

Which of the following is a prime number?

  1. 4

  2. 5

  3. 14

  4. 35


Correct Option: B
Explanation:

5 is a prime number.

Which of the following is a prime number?

  1. 19

  2. 51

  3. 77

  4. All of these


Correct Option: A
Explanation:

19 is a prime number.

How many prime numbers are there between 10 and 30?

  1. 5

  2. 6

  3. 7

  4. 8


Correct Option: B
Explanation:

There are 6 prime numbers (11, 13, 17, 19, 23 and 29) between 10 and 30.

Which of the following prime numbers lie between 150 and 180?

  1. 157 and 154

  2. 163 and 161

  3. 163 and 173

  4. 179 and 161


Correct Option: C
Explanation:

163 and 173 are the prime numbers that lie between 150 and 180.

Which of the following options are prime numbers?

  1. 317 and 339

  2. 317 and 311

  3. 311 and 339

  4. None of these


Correct Option: B
Explanation:

317 and 311 are prime numbers.

How many prime numbers are there between 300 and 310?

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: A
Explanation:

Only 1 prime number lies between 300 to 310.

Which of the following is a prime number?

  1. 2

  2. 18

  3. 94

  4. 1002


Correct Option: A
Explanation:

2 is a prime number.

Which of the following prime numbers lie(s) between 110 and 125?

  1. 113 and 117

  2. 117

  3. 113

  4. None of these


Correct Option: C
Explanation:

113 is a prime number that lies between 110 and 125.

Which smallest prime number should be added to 150 to make it a prime number?

  1. 1

  2. 2

  3. 5

  4. 7


Correct Option: A
Explanation:

150 + 1 = 151, which is a prime number.

How many prime numbers lie between 100 and 200?

  1. 20

  2. 21

  3. 22

  4. 23


Correct Option: B
Explanation:

There are 21 prime numbers between 100 and 200.

Which of the following numbers are prime that lie between 230 and 250?

  1. 231, 233, 239, 241

  2. 233, 239, 241

  3. 237, 233, 239, 241

  4. 231, 233, 237, 239


Correct Option: B
Explanation:

 233, 239, 241 are the prime numbers between 230 and 250.

Which smallest number should be subtracted from 40 to make it prime number?

  1. 1

  2. 2

  3. 3

  4. 5


Correct Option: C
Explanation:

40 - 3 = 37 is a prime number.

Revan read a book of 40 pages. If he had read full book, how many times he would have come across the pages with prime numbers on them?

  1. 10

  2. 11

  3. 12

  4. 13


Correct Option: C
Explanation:

There are 12 prime numbers between 1 and 40. So, Revan came accross 12 pages that had prime numbers on them.

Which of the following numbers is a prime number?

  1. 41

  2. 45

  3. 48

  4. 51


Correct Option: A
Explanation:

41 is a prime number.

Which of the following are prime numbers?

  1. 17, 41, 29

  2. 21, 17, 29

  3. 21, 17, 41

  4. None of these


Correct Option: A
Explanation:

17, 41, 29 are prime numbers.

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