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Worksheet: Finding the Common Factors of Multiple Numbers

Q1:

Which of the following numbers is not a common factor of 60 and 90?

  • A3
  • B15
  • C13
  • D2
  • E10

Q2:

Which of the following numbers is not a common factor of 36 and 90?

  • A6
  • B3
  • C5
  • D9
  • E2

Q3:

Which of the following numbers is not a common factor of 84 and 96?

  • A4
  • B6
  • C7
  • D2
  • E3

Q4:

We know that . Pick the true statement.

  • A4 is a multiple of 20.
  • B20 is a factor of 5.
  • C20 is a multiple of 5.
  • D5 is a multiple of 20.
  • E20 is a factor of 4.

Q5:

Which number is a factor of 12 and a factor of 33?