Respuesta :

VirαtKσhli

Answer:

3

Step-by-step explanation:

Given expression :-

  • 4n + 3

It will be composite if it will has more than 2 factors ( other than 1 and itself )

If n = 1 :-

  • 4*1 + 3
  • 4+ 3
  • 7 ( prime )

If n = 2 :-

  • 4*2 + 3
  • 8 + 3
  • 11 ( prime )

If n = 3 :-

  • 4*3+3
  • 12+3
  • 15 ( composite )