Class 11 CS Practical - 25

 

25 - Write a program in Python to input a number and determine whether the number is a prime number or not.

n=int(input("Enter the number: ")) 

for i in range(2,n+1): 

    if (n%i==0): 

        break 

if(n==i): 

    print(n,"is a prime number") 

else: 

    print(n,"is not a prime number") 

Output:

Enter the number: 29

29 is a prime number

Enter the number: 37

37 is a prime number

Enter the number: 35

35 is not a prime number