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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?

  • A2
  • B10
  • C15
  • D13
  • E3

Q2:

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

  • A9
  • B2
  • C3
  • D5
  • E6

Q3:

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

  • A2
  • B3
  • C6
  • D7
  • E4

Q4:

We know that . Pick the true statement.

  • A 5 is a multiple of 20.
  • B 20 is a factor of 4.
  • C 20 is a factor of 5.
  • D 20 is a multiple of 5.
  • E4 is a multiple of 20.

Q5:

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