Thenumbers 13 and 31 are prime numbers. Both these numbers have samedigits 1 and 3. Find such pairs of prime numbers up to 100.
17, 71
37, 73
79, 97
The numbers 13 and 31 are prime numbers. Both these numbers have same digits 1 and 3. Find such pairs of prime numbers up to 100.
Question 3
13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. Find two more such pairs.