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Python Program to Find Prime Factor

Posted in Python Tutorial
Updated on Oct 31, 2024
By Mari Selvan
πŸ‘οΈ 94 - Views
⏳ 4 mins
πŸ’¬ 1 Comment
Python Program to Find Prime Factor

Photo Credit to CodeToFun

πŸ™‹ Introduction

In the realm of programming, understanding the prime factors of a number is a fundamental task. Prime factors are the prime numbers that multiply together to give the original number.

Checking for prime factors involves determining whether a given number is divisible by prime numbers.

In this tutorial, we will explore a Python program designed to check the prime factors of a given number.

The program involves identifying and displaying the prime factors of the specified number.

πŸ“„ Example

Let's delve into the Python code that accomplishes this task.

is_prime_factor.py
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# Function to check if a number is a prime factor
def is_prime_factor(number, divisor):
    # Check if the divisor is a prime factor of the number
    return number % divisor == 0

# Function to display prime factors of a number
def display_prime_factors(number):
    print(f"Prime factors of {number} are: ", end='')

    # Iterate through numbers to find prime factors
    for i in range(2, number + 1):
        # Check if i is a prime factor and divides the number
        while is_prime_factor(number, i):
            print(i, end=' ')
            number //= i

# Driver program
if __name__ == "__main__":
    # Replace this value with the number you want to find prime factors for
    number = 56

    # Call the function to display prime factors
    display_prime_factors(number)

πŸ’» Testing the Program

To test the program with different numbers, modify the value of number in the code.

Output
Prime factors of 56 are: 2 2 2 7

Run the script to display the prime factors of the specified number.

🧠 How the Program Works

  1. The program defines a function is_prime_factor that takes two integers, number and divisor, and returns True if divisor is a prime factor of number, and False otherwise.
  2. The function display_prime_factors iterates through numbers to find prime factors of the given number and prints them.
  3. Inside the if __name__ == "__main__": block, replace the value of number with the desired number you want to find prime factors for.
  4. The program calls the display_prime_factors function to find and display prime factors.

🧐 Understanding the Concept of Odd Number

Before delving into the code, let's understand the concept of prime factors. Prime factors are prime numbers that multiply together to give the original number.

🎒 Optimizing the Program

While the provided program is effective, consider exploring and implementing alternative approaches or optimizations for finding prime factors.

Feel free to incorporate and modify this code as needed for your specific use case. Happy coding!

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Author

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πŸ‘‹ Hey, I'm Mari Selvan

For over eight years, I worked as a full-stack web developer. Now, I have chosen my profession as a full-time blogger at codetofun.com.

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Mari Selvan
Mari Selvan
8 months ago

If you have any doubts regarding this article (Python Program to Find Prime Factor), please comment here. I will help you immediately.

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