Write a Python Program to Check Prime Number
Write a Python Program to Check Prime Number
A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. In other words we can say that a prime number is a natural number greater than 1 which are divided by 1 and itself. Smallest prime number is 2 (2 is the only even prime number).
For example
11 is a prime number as it is divided by 1 and itself.
23 is a prime number as it has only two factors (1 and 23.)
25 is not a prime number as it has more than 2 factors(1, 5 and 25)
Write a Program in Python to Check a number is prime or not.
![Python Program to Check Prime Number](https://i0.wp.com/csiplearninghub.com/wp-content/uploads/2023/06/Program-to-Check-Prime-Number.jpg?resize=492%2C266&ssl=1)
OUTPUT
![Python program Output](https://i0.wp.com/csiplearninghub.com/wp-content/uploads/2023/06/Python-program-Output.jpg?resize=391%2C53&ssl=1)
Explanation of above code
- Accept any number (say n1) from the user.
- If the number is greater than one(1), then we will check that whether this number is divisible by any other number between 2 and half of that number(n1) with the help of ‘for’ loop.
- If the above condition is true then we will display “It is a Prime number” otherwise we will display “It is not a prime number”
- If the number is less than one(1) then it is not a prime number.
Another way of writing the program
![Python Program to Check Prime Number](https://i0.wp.com/csiplearninghub.com/wp-content/uploads/2023/06/Program-to-Check-Prime-Number-another.jpg?resize=428%2C344&ssl=1)
OUTPUT
![](https://i0.wp.com/csiplearninghub.com/wp-content/uploads/2023/06/Program-to-Check-Prime-Number-output1.jpg?resize=442%2C51&ssl=1)
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