C++ Program to Find Prime Numbers Between 1 to N || Programming area
"Learn how to find prime numbers between 1 to n using C++ programming language. This video tutorial explains a simple algorithm to generate prime numbers using nested loops.
Topics covered:
C++ program to find prime numbers
Prime number generation algorithm
Nested loops in C++
C++ programming tutorial for beginners
Algorithm: Print Prime Numbers between 1 to n
Input: An integer n
Output: Prime numbers between 1 to n
Steps:
1. Read Input: Read an integer n from the user.
2. Initialize Variables: Initialize two integer variables i and j.
3. Print Header: Print the header "Prime numbers between 1 to n are as follows".
4. Outer Loop: Iterate from j = 1 to j = n using a for loop.
5. Inner Loop: Iterate from i = 2 to i = j/2 using a for loop.
6. Check Divisibility: Check if j is divisible by i using the modulo operator (j % i == 0).
7. Break Loop: If j is divisible by i, break the inner loop.
8. Check Primality: If the inner loop completes without finding a divisor, check if i is greater than j/2. If true, then j is a prime number.
9. Print Prime Number: Print the prime number j.
10. Repeat: Repeat steps 4-9 until the outer loop completes.
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