C program to find all the prime numbers in a given range

Program Description:

In this program we are going to find out all the prime numbers between a given range and count the number of prime number in it.

Source Code:

//prime number on a given range

#include<stdio.h>

int main()

{

int r,l,u,i,j,n,p=0;

printf("Enter the lower limit:");

scanf("%d",&l);

printf("Enter the upper limit:");

scanf("%d",&u);

printf("\nTHe Prime Numbers are as follow:\n");

for(i=l;i<=u;i++)

{

r=0;

for(n=1;n<=i;n++)

if(i%n==0)

r=r+1;

if(r==2)

{

printf("%d\n",i);

p=p+1;

}

}

printf("\nIn between %d and %d there are %d prime numbers",l,u,p);

printf("\nTHANK YOU");

}

Output:

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