Python Program to check a number is prime or not

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In this program, You will learn how to check a number is prime or not in Python.

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Some list are: 2 3 5 7 9 11 13

Example: How to check a number is prime or not in Python.

n = int(input("Enter a number:"))

i = 2
p = 1

while i < n:
    if n % i == 0:
        p = 0
        break
    i = i + 1

if p == 1:
    print("Number is prime:", n)
else:
    print("Number is not prime:", n)

Output:

Enter a number:7
Number is prime: 7