Quizz time XIII Prime Password
Mr.Nero is the best black hat in dark web. one day he aim one of online payment. he has to penetrate 343 layer of security. in the last layer, he use brute force method to crack 8 digit integer only password. 😎 hah.... whoever built the system is dumb. the first digit appear 7 , a prime number. second digit is x, so 7x is also prime. third digit is y, so 7xy is prime too. and all digit is always prime. 😨 what the heck.... Question is What is the password ?