// All of the following return true Chalkboard.numb.isPrime(73939133); Chalkboard.numb.isPrime(7393913); Chalkboard.numb.isPrime(739391); Chalkboard.numb.isPrime(73939); Chalkboard.numb.isPrime(7393); Chalkboard.numb.isPrime(739); Chalkboard.numb.isPrime(73); Chalkboard.numb.isPrime(7);
Checks if a number is a prime number.
Example