### Check prime number using recursive function

## Check prime number using recursive function

## Write a program to Check prime number using recursive function

#include <stdio.h> #include <conio.h> int n , e ,i ; int prime ( int n , int i) { if (n == 1 || n == 0 ) { return 2; } else { if (i == 1 ) return 0; else { if (n%i != 0){ prime(n , i-1); } else { return 1 ; } } } } int main () { printf("Input a number to check whether number is prime or not: "); scanf("%d" ,&n); e = prime ( n , n-1); if (e == 0 ) printf("\nThe supplied number is prime"); if (e == 1 ) printf("\nThe supplied number is not prime"); if (e == 2 ) printf("\nThe supplied number is neither prime nor not prime"); getch() ; return 0 ; }

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