5 ms·It's 2^28, not 2^56. A hex digit is 4 bits, and we have 7 such digits to match.by yuliyp 3y agoIt's 2^28, not 2^56. A hex digit is 4 bits, and we have 7 such digits to match.H8crilA 3y agoUgh, you are right. That was a bit embarrassing :)