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Spot the prime number

Do you know what a prime number is? In each question, I will list three numbers:Your job is to identify the prime. 10 Questions.

 
Created by:
PhilipJ
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1

Which of these numbers is considered to be prime?

  • 17
  • 27
  • 35

2

Which of these numbers is considered to be prime?

  • 87
  • 89
  • 81

3

Which of these numbers is considered to be prime?

  • 97
  • 91
  • 93

4

Which of these numbers is considered to be prime?

  • 9
  • 15
  • 7

5

Which of these numbers is considered to be prime?

  • 77
  • 73
  • 69

6

Which of these numbers is considered to be prime?

  • 99
  • 199
  • 299

7

Which of these numbers is considered to be prime?

  • 117
  • 115
  • 113

8

Which of these numbers is considered to be prime?

  • 1
  • 5
  • 9

9

Which of these numbers is considered to be prime?

  • 41
  • 49
  • 57

10

Which of these numbers is considered to be prime?

  • 261
  • 259
  • 257

 

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