Question

71, 83,67, 59, ?, 73,79,61,89​

Answer 1

The first 25 prime numbers (all the primes less than 100) are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97. Thus, a person leaving 100 years will celebrate 25 prime birthdays.

$\huge\red[A]\pink[N]\orange[S]\green[W]\blue[E]\gray[R]$