C C++ Program Code Number is Prime or composite number Code Online Programming Source code
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int i,num,k;
char prime;
printf("enter a number greater than 0\n");
scanf("%d",&num);
for(i=1;i<=num;i++) {
prime='y';
for(k=1;k<=sqrt(i);k++){
if(i%k==0){
prime='n';
break;
}
}
if(prime='n')
printf(" is composite number\n,i");
else
printf(" is prime number\n,i");
getche();
}
}
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int i,num,k;
char prime;
printf("enter a number greater than 0\n");
scanf("%d",&num);
for(i=1;i<=num;i++) {
prime='y';
for(k=1;k<=sqrt(i);k++){
if(i%k==0){
prime='n';
break;
}
}
if(prime='n')
printf(" is composite number\n,i");
else
printf(" is prime number\n,i");
getche();
}
}
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