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C Pattern Programs: Square Number and Alphabet Patterns Explained

🔷 Square Star Pattern 📋 Copy Code #include <stdio.h> int main() { int num; printf("Enter the number:\n"); scanf("%d", &num); for(int i = 1; i <= num; i++) { for(int j = 1; j <= num; j++) { printf("* ");//keep"* " } printf("\n"); } return 0; } 🔷 Reverse Square Alphabet Pattern (Column-wise) 📋 Copy Code #include <stdio.h> int main() { int num; printf("Enter the number:\n"); scanf("%d", &num); for(int i = num; i >= 1; i--) { for(int j = num; j >= 1; j--) { printf("%c ", j + 64);//%c for Character and 64 will be ASIIC VALUE } printf("\n"); } return 0; } 🔷 Reverse Square Alphabet Pattern (Row-wise) 📋 Copy Code #include <stdio.h> int main() { int num; ...
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C Program to Print Prime Numbers Between Two Numbers

C Program to Print Prime Numbers Between Two Numbers

✅ C Program to Print Prime Numbers Between Two Numbers

#include <stdio.h>
int main( )
{
    int start,end,count,i,j;
    printf("Enter the start and ending values of the prime number:\n");
    scanf("%d %d",&start,&end);
    
    for(i=start;i<end;i++)
    {
        count=0;
        for(j=1;j<=i;j++)
        {
            if(i%j==0)
            {
                count++;
            }
        }
        if(count==2)
        {
            printf("%d ",i);
        }
    }
}

📘 Explanation:

This program prints all prime numbers between two given numbers. A prime number is a number that has exactly two divisors: 1 and itself.

  • Take starting and ending range from the user.
  • For each number in the range, check how many divisors it has.
  • If the count of divisors is exactly 2, it is a prime number.
  • Print the number if it satisfies the prime condition.

🧾 Sample Output:

Enter the start and ending values of the prime number:
10 25
11 13 17 19 23

🔑 Keywords:

C program prime numbers between two numbers, prime number logic in C, number programs in C, C programming examples, beginner C coding problems

📌 Hashtags:

#CProgramming #PrimeNumbers #LearnC #CodingForBeginners #ForLoop #NumberPrograms #1printf

🔍 Search Description:

Learn how to print prime numbers between two given numbers in C using for loop. Simple and beginner-friendly program with explanation and sample output.

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