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- #include<stdio.h>
- int main ()
- {
- int i,n;
- int flag=0;
- scanf("%d",&n);
- for(i=2;i<n/2;i++)
- if(n%i==0)
- {
- flag=1;
- break;
- }
- if (flag=0)
- {
- printf("%d is prime",n);
- }
- else
- {
- printf("%d is not prime",n);
- }
- return 0;
- }
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