• 1. 
    Which of the following numbers is not a factor of 68?

  • 2
  • 4
  • 17
  • 6
  • 2. 
    Which of tfie following numbers is not a factor of 36?

  • 2
  • 4
  • 18
  • 8
  • 3. 
    Which of the following numbers is not a factor of 24?

  • 2
  • 3
  • 4
  • 5
  • 4. 
    Which of the following numbers is not a factor of 15?

  • 1
  • 3
  • 4
  • 5
  • 5. 
    Which of the following number is not a factor of 21?

  • 1
  • 3
  • 6
  • 7
  • 6. 
    Which of the following number is not a multiple of 27?

  • 1
  • 3
  • 9
  • 6
  • 7. 
    Which of the following numbers is not a factor of 12?

  • 4
  • 2
  • 3
  • 8
  • 8. 
    Which of the following numbers is not a factor of 20?

  • 2
  • 4
  • 5
  • 6
  • 9. 
    Which of the following number is not a factor of 18?

  • 2
  • 3
  • 6
  • 8
  • 10. 
    Which of the following number is not a multiple of 6?

  • 12
  • 21
  • 24
  • 36
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