1 votes 1 votes atul_21 asked Jan 2, 2018 atul_21 379 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply Ashwin Kulkarni commented Jan 2, 2018 reply Follow Share set of all strings is countable, but set of all languages is uncountable. And set of all primes is countable. 0 votes 0 votes atul_21 commented Jan 2, 2018 reply Follow Share how set of all primes, is countable? is there any method to enumerate the primes??? 0 votes 0 votes Ashwin Kulkarni commented Jan 2, 2018 reply Follow Share Check out this one. https://en.wikipedia.org/wiki/Countable_set 0 votes 0 votes Ajay Jadhav commented Jan 2, 2018 reply Follow Share Every subset of countable set is countable ,if natural numbers are countable then why not set of prime numbers? 0 votes 0 votes Please log in or register to add a comment.