Q:

# Write a program in C to check if a given number is circular prime or not a circular prime

Write a program in C to check if a given number is circular prime or not

`Expected Output :Input a Number: 1193The given number is a circular prime Number.`

``````# include <stdio.h>
# include <stdlib.h>
# include <stdbool.h>
# include <math.h>

int flg;
void chkPrime(long int n)
{
long int i;
i=n-1;
while(i>=2)
{
if(n%i==0)
{
flg=1;
}
i--;
}
}
void AllCombination(long int a)
{
long int b1,c1,d1,e1,i,j,k,s1,z1,v1,x[8],y[8],m;
b1=a;
i=0;
while(b1>0)
{
y[i]=b1 % 10;
b1=b1/10;
i++;
}
c1=0;
for(j=i-1;j>=0;j--)
{
x[c1]=y[j];
c1++;
}
m=i;
while(m>0)
{
c1=m-1;
d1=i-1;
e1=0;
s1=0;
while(e1<i)
{
z1=pow(10,d1);
v1=z1*x[c1%i];
c1++;
d1--;
e1++;
s1=s1+v1;
}
m--;
chkPrime(s1);
}
}
int main()
{
long int num1;
printf("\n\n Check whether a given number is circular prime or not: \n");
printf(" -----------------------------------------------------------\n");
printf(" Input a Number: ");
scanf("%li",&num1);
flg=0;
AllCombination(num1);
if(flg==0)
{
printf(" The given number is a circular prime Number.\n");
}
else
{
printf(" The given number is not a circular prime Number.\n");
}
return 0;
printf("\n");
}
``````