Question

how many twin prime numbers between 50 to 100​

Answer 1

53, 59, 61, 67, 71, 73, 79, 83, 89, 97. From the above prime numbers we can say only two twin prime pairs exist, those are (59,61) and (71,73). Twin primes between 51 and 100 are (59,61) and (71,73).