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Jim list three factor pairs of 54 as

1 x 54 or 2 x 27 or 6 x 9.
Which factor pair has a prime number?

1 answer

The factor pairs of 54 that Jim listed are:

  1. 1 x 54
  2. 2 x 27
  3. 6 x 9

Out of these factor pairs, we check which numbers are prime:

  • 1 is not a prime number.
  • 54 is not a prime number.
  • 2 is a prime number.
  • 27 is not a prime number.
  • 6 is not a prime number.
  • 9 is not a prime number.

The factor pair that has a prime number is 2 x 27.