Mathematics for IGCSE & O level - Sets (Section 4 - No. 1)

Given A = {x | x is an even number} and B = {x | x is a prime number}, what is A ∩ B?

{2}

{0, 2, 4, 6,...}

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

{}

The only even prime number is 2.