Answer Posted / padhmavathi loganathan

#include<stdio.h>
int main()
{
int a,i,f;
printf("Enter a number: ");
scanf("%d",&a);
f=0;
i=2;
while(i <= a/2)
{
if(a%i == 0)
{
f=1;
break;
}
i++;
}
if(f==0)
printf("Prime Number")
else
printf("Not Prime Number");
return 0;
}

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