If the difference between two prime numbers $p$ and $q$ is 4, then the pair $(p , q)$ is called a "cousin prime pair." Given this, which of the following cannot be the sum of a cousin prime pair? A) 18 B) 30 C) 42 D) 66 E) 78
If the difference between two prime numbers $p$ and $q$ is 4, then the pair $(p , q)$ is called a "cousin prime pair."
Given this, which of the following cannot be the sum of a cousin prime pair?\\
A) 18\\
B) 30\\
C) 42\\
D) 66\\
E) 78