import math x = int(input("Insert any number to check: ")) if x<2: print("Please, insert number greater than or equal to 2") quit() elif x == 2: print("This is a prime number!") quit() y = 2 num = int(math.sqrt(x)) while y <= num: if x%y == 0: print("This is NOT a prime number") quit() y += 1 print("This is a prime number") |

Output:

Insert any number to check: 123
Insert any number to check: 11 |