If C= {p/p

Question

If C= {p/p < 18, p is a prime number}, then C=

Accepted Answer

{2,3,5,7,11,13,17}

Answer

{1,2,3,4,....17}

Answer

{2,4,6,8....16}

Answer

{1,3,5,7,9,11,13,15,17}