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  1. #include<stdio.h>
  2. int main()
  3. {
  4.     int a,i;
  5.     printf("enter the no");
  6.     scanf("%d",&a);
  7.     for(i=2;i<a;i++);
  8.  
  9.  if(a==1)
  10. printf("is neither composite nor prime");
  11.  else if(a%i==0)
  12.    printf("is composite");
  13.    else
  14.    printf( "is prime");
  15.    return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5288KB
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enter the nois composite
https://ideone.com/zWbwBl
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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