Примеры:
Do you want continue?(Y/n)Y
n: 2
k: 1
5 is a prime number
Do you want continue?(Y/n)Y
n: 4
k: 3
49 isn't a prime number
Do you want continue?(Y/n)Y
n: 0
k: 0
k must be between 0 and 2 raised to power n
Do you want continue?(Y/n)Y
n: 4
k: 2
k must be odd
Do you want continue?(Y/n)Y
n: 6
k: 3
193 is a prime number
Do you want continue?(Y/n)n

Process finished with exit code 0