
Python | Check whether the given number is a prime number or not
This is an example of how to check whether the given number is a prime number or not. It takes an input number from the user to check the prime number
n = int(input('enter no.:'))
flag = True
if n > 2:
for i in range(2, n):
if n%i == 0:
flag = False
if flag == True:
print(f'{n} is a prime number')
else:
print(f'{n} is not a prime number')
else:
print('number must be > 2')
Output for the above code:
>>> ====================== RESTART: E:\py\prime_no.py ====================== enter no.:5 5 is a prime number >>> ====================== RESTART: E:\py\prime_no.py ====================== enter no.:8 8 is not a prime number >>> ====================== RESTART: E:\py\prime_no.py ====================== enter no.:2 number must be > 2