CPP
cpp
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#include <iostream>
using namespace std;
int main() {
int a, i, b=0;
cout<<"Entered number= ";
cin>>a;
for (i = 1; i <= a; i++)
{
if (a % i == 0)
{
b++;
}
}
if (b==2)
{
cout<<a <<" is a Prime number";
}
else
{
cout<<a <<" is not a Prime number";
}
return 0;
}
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