Python Program to Check Whether a Number Is Prime | Prime Number in Python
Автор: Code With Amulya
Загружено: 2026-01-06
Просмотров: 3
In this video, we write a Python program to check whether a given number is a prime number or not. This tutorial is a continuation of the previous video, where we discussed what prime numbers are and the logic behind checking if a number is prime.
We start by taking an integer input from the user and first verify whether the number is greater than one, since a prime number is a natural number greater than one. Then, we check whether the number has any positive divisors other than one and itself. If such a divisor exists, the number is not a prime number.
The program demonstrates two approaches:
Checking divisibility from 2 up to the number itself.
Optimizing the solution by checking divisibility only up to the square root of the number.
We also explain how the for-else loop works in Python and walk through multiple example inputs to clearly understand the program flow.
By the end of this video, you will have a complete understanding of how to implement a prime number checking program in Python.
Prime Numbers Introduction:
• Prime Numbers Explained: How to Identify a...
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