class A
{
int IsPrime ( int n )
{
for ( int i=2 ; i<=n/2 ; i++ )
{
if ( n%i == 0 )
return (1);
}
return (0);
}
}
class Prime
{
public static void main ( String args[] )
{
int m = Integer.parseInt ( args[0] );
A a = new A();
int r = a.IsPrime ( m );
if ( r==0 )
System.out.println("\n\n" + m + " is a Prime no.\n");
else
System.out.println("\n\n" + m + " is not a Prime no.\n");
}
}
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