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- #include<iostream>
- #include<math.h>
- using namespace std;
- int n;
- int main()
- {
- cout<<"n="; cin>> n;
- int prim,i; prim=1
- for(i=2; i<=(int)sqrt(n);i++)
- {
- if(n%i==0) {
- prim=0;
- break;
- }
- }
- if(prim==1) cout<<"Prim!";
- else cout<<"Nu este prim!";
- }
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