CO-PRIME NUMBERS import java.util.Scanner; class CoPrime { public static void main(String args[]) { Scanner sc=new Scanner(System.in); int a,b,min,hcf=1,i; System.out.println("Enter two numbers "); a=sc.nextInt(); b=sc.nextInt(); min=a<b?a:b; for(i=1;i<min;i++) { if(a%i==0&&b%i==0) { hcf=i; } } if(hcf==1) System.out.println(" The numbers are CoPrime "); else System.out.println(" The...