(b) Write a CPP program to print whether a number is prime or not .
CODE:-
#include<iostream.h>
#include<conio.h>
void main()
{
int NUM,I;
clrscr();
cout<<“ENTER A NUMBER :”;
cin>>NUM;
for(I=2;I<NUM;I++)
{
if(NUM%I==0)
break;
}
if(I==NUM)
cout<<NUM<<” IS A PRIME NUMBER”<<endl;
else
cout<<NUM<<” IS NOT A PRIME NUMBER”<<endl;
getch();
}
[codesyntax lang=”cpp”]
#include<iostream.h> #include<conio.h> void main() { int NUM,I; clrscr(); cout<<"ENTER A NUMBER :"; cin>>NUM; for(I=2;I<NUM;I++) { if(NUM%I==0) break; } if(I==NUM) cout<<NUM<<" IS A PRIME NUMBER"<<endl; else cout<<NUM<<" IS NOT A PRIME NUMBER"<<endl; getch(); }
[/codesyntax]
SCREEN SHOTS:-
OUTPUT:-