Thanks shah ! will u elaborate it !!if u don't mine but in my point of view even division is ok i.e., using one flipflop(f/2) but how to divide frequency with odd number!!
are you looking for vhdl code or a circuit diagram? make a simple mod 4 counter(you'll need two flipflops, right?). Connect the reset of both the flip flops to the output of an and gate. The AND gate will have inputs as the two outputs of the flipflops. Take the output from the second flipflop. And you have your solution