Prime and Composite Number Classification

Prime and Composite Number Classification

Secondary 1

Determine whether each of the following is a prime or a composite number.

  1. \(253\)
  2. \(311\)
  3. \(447\)
  4. \(409\)
  5. \(509\)

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Answer:(a) composite; (b) prime; (c) composite; (d) prime; (e) prime.

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