A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways of writing it as a product, 1 × 5 or 5 × 1, involve 5 itself.
PRIME NUMBER
#include<iostream>using namespace std;
int main()
{
int num,n,i;
cout<<"Enter the upper limit:";
cin>>n;
cout<<"\n PRIME NUMBERS:";
for(num=1;num<n;num++)
{
for(i=2;i<num;i++)
{
if(num%i==0)
break;
}
if(num==i)
cout<<"\t"<<num;
}
return 0;
}
OUTPUT:
BY:
REGU RAM SV.
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