What is a perfect Square?

A perfect square is a number that can be expressed as the product of two equal integers.

Examples of perfect squares

  • 9
    • 9 is a perfect square because it can be expressed as 3 * 3 (the product of two equal integers)
  • 16
    • 16 is a perfect square because it can be expressed as 4 * 4 (the product of two equal integers)
  • 25
    • 25 is a perfect square because it can be expressed as 5 * 5 (the product of two equal integers)

Non examples of perfect squares

  • 8
    • 8 is a not perfect square because you cannot express it as the product of two equal integers
  • 5
    • 5 is a not perfect square because it cannot be expressed as the product of two equal integers
  • 7
    • 7 is a not perfect square because you cannot express it as the product of two equal integers