Q. Write a C++ program to check whether the number is prime or not.
Answer:
Prime number is number greater than 1. It can be divided without a remainder, only by itself and by 1. 0 and 1 are not considered as prime numbers.
Output:
Answer:
Prime number is number greater than 1. It can be divided without a remainder, only by itself and by 1. 0 and 1 are not considered as prime numbers.
#include<iostream>
using namespace std;
int main()
{
int num, i, count=0;
cout<<"\n Enter Number : ";
cin>>num;
for(i=2;i<num;i++)
{
if(num%i==0)
{
count++;
break;
}
}
if(count==0)
{
cout<<"\n Prime Number";
}
else
{
cout<<" \n Not a Prime Number";
}
return 0;
}
Output:
