To check prime number in python programming, you should have the knowledge of the following topics:

Method One: Python If … Else statement

# Python Code to Check Prime Number

#Variable definition and assignment

a = 3

#Taking user input

#a = int(input(“Enter a number: “))

if a > 1:

   # check for factors

   for i in range(2,a):

       if (a % i) == 0:

           print(a,”is not a prime number.”)




       print(a,”is a prime number.”)

#If the input number is less than or equal to 1, then it is not prime


   print(a,”is not a prime number.”)

3 is a prime number.

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