Challenge 2: Primes Near Powers
How many prime numbers are there that are 1 less than a square? How many prime numbers are there that are 1 less than a cube? What about primes of the form nk – 1 for k > 3?
How many prime numbers are there that are 1 less than a square?
How many prime numbers are there that are 1 less than a cube?
What about primes of the form nk – 1 for k > 3?