C program to check given number is prime or not
#include<stdio.h>
int main()
{
int n,i,c=0;
printf("Enter any number n: ");
scanf("%d", &n);
for(i=1;i<=n;i++)
{
if(n%i==0)
{
c++;
}
}
if(c==2)
{
printf("n is a prime number");
}
else{
printf("n is not a prime number");
}
}
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