## Prime Difference

#### Problem

Given that $a$ and $b$ are positive integers and the difference between the expressions $a^2 + b$ and $a + b^2$ is prime, find the values of $a$ and $b$.

Problem ID: 322 (14 Apr 2007) Difficulty: 3 Star

Given that $a$ and $b$ are positive integers and the difference between the expressions $a^2 + b$ and $a + b^2$ is prime, find the values of $a$ and $b$.

Problem ID: 322 (14 Apr 2007) Difficulty: 3 Star