Respuesta :

Composite number is the opposite of Prime numbers.

  • Composite numbers have more than 2factors .

Looking at all numbers

  • 37=1,37(Prime)
  • 29=1,29(Prime)
  • 43=1,43(Prime)
  • 21=1,3,7,21(Composite)

Step-by-step explanation:

21 is the composite number because it is the multiple of 3 and 7 which is non prime number

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