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mujahidul_islam

11

Jun 21st, 2019
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0
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C 0.29 KB | None | 0 0
  1. #include<stdio.h>
  2. int main ()
  3. {
  4.     int i,n,a=0;
  5.     scanf("%d",&n);
  6.  
  7.     for(i=1;i<=n;i++){
  8.         if(n%i==0){
  9.           a++;
  10.         }
  11.  
  12.     }
  13.  
  14.     if(a==2){
  15.         printf("%d :prime number",i);
  16.     }
  17.     else{
  18.         printf("%d  :not prime number",i);
  19.     }
  20.     return 0;
  21. }
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