# write a python program for check given number is prime or not.

**What is prime number:- **

** A number is called prime number if it divisible by only 1 and itself .**

**example:- 3 is divisible by 1 and 3 only.So 3 is a prime number.**

** 2,3,5,7…… all are also a prime number.**

**code:-**

num=int(input(“Enter a number”))

for i in range(2,num//2+1):

flag=0

if num%i==0:

flag=1

break

if flag==1:

print(“Not prime”)

else:

print(“Prime number”)

**Output:-**

Enter a number3

Prime number