#include<iostream.h> #include<conio.h> class number { public: int num; int isprime(); }; int number::isprime() { for(int i=2;i<num;i++) if(num%i==0) return 0; return 1; } int main() { number x; clrscr(); cout<<"Enter the number:"; cin>>x.num; if(x.isprime()) cout<<"The number is prime"; else cout<<"The number is not prime"; getch(); return 0; }
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