Write a C program to generate all the prime numbers between 1 and n, where n is a value supplied by the user.

Write a C program to generate all the prime numbers between 1 and n, where n is a value supplied by the user.

Program Code:

#include<stdio.h>

void main()

{

int r=0,i,f,j,ctr;

printf("\nEnter the range of the numbers:");

scanf("%d",&r);

for(i=2;i<=r;i++)

{

f=0;

for(j=1;j<=i/2;j++)

{

if(i%j==0)

f=f+1;

}

if(f==1)

{

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

ctr++;

}

}

}