PYTHON

check if number is prime

def check_if_prime():
    number = int(input("Enter number: "))
    
    prime_lists = [1,2,3]
    
    divisible_by = []
    if number in prime_lists:
        return divisible_by
    
    if number==0:
        return None
    
    for i in range(2,number):
        
        if number%i==0:
            divisible_by.append(i)
            
    return divisible_by
        
    
check_if_prime()

identify if a number is prime

def prime():
  prime=True
  while True:
   for i in range(2,x-1):
      y=x%i
      if (y==0):
        prime=False
   break
  if (x==0) or (x==1):
    print(x , "is not a prime number")
  elif (prime==True):
    print(x , "is a prime number")
  else:
    print(x , "is not a prime number")
x=int(input("Enter a number:"))
prime()