Add solution to problem 46. I made a mistake the first time to include 2 in the primes array. 2 is the only even number in the primes but cannot be part of the conjection.
Add solution to problem 46. I made a mistake the first time to include 2 in the
primes array. 2 is the only even number in the primes but cannot be part of the
conjection.

advancedxy/hackerrank,advancedxy/hackerrank,advancedxy/hackerrank