For each prime number $p$, is there always an other prime number between $p$ and $p^2$ ?
I tested it for prime numbers $< 500,000,000$, but I wanted to know if there is any mathematical proof of this ?
For each prime number $p$, is there always an other prime number between $p$ and $p^2$ ?
I tested it for prime numbers $< 500,000,000$, but I wanted to know if there is any mathematical proof of this ?