Added isPrime for Python and C

Author: milan090

problems/isPrime.c

@@ -0,0 +1,26 @@
+#include<stdio.h>
+#include<math.h>
+
+int main(){
+  int num, flag = 0;
+  
+  printf("Enter a natural number: ");
+  scanf("%d", &num);
+
+  double sqrtResult = sqrt((double) num);
+
+  for (int i=2; i <= sqrtResult; ++i){
+    if (num%i == 0){
+      flag = 1;
+      break;
+    }
+  }
+  
+  if (flag == 1) {
+    printf("%d is not a prime number\n", num);
+  } else {
+    printf("%d is a prime number\n", num);
+  }
+
+  return 0;
+}

problems/isPrime.py

@@ -0,0 +1,8 @@
+def isPrime(num):
+  print(int(num**0.5))
+  for i in range(2, int(num**0.5)+1):
+    if num%i == 0:
+      return False
+  return True
+
+print(isPrime(int(input(">>Number: "))))