#include <stdio.h>

/************found************/

IsPrime ( int  n )                                               

{   int   i,  m;

    m = 1;

    for ( i = 2;  i < n;  i++  )

/************found************/

      if  ( !(n%i ))

      {    m=0;   break ;   }

    return ( m );

}

main( )

{   int  j, k;

    printf( "\nPlease enter an integer number between 2 and 10000: " ); scanf(  "%d", &k );

    printf( "\n\nThe prime factor(s) of %d is( are ):", k );

    for( j = 2; j <= k; j++ )

       if( ( !( k%j ) )&&( IsPrime( j ) ) )   printf( "\n %4d", j );

    printf("\n");

}