Question

The integer 113 is prime and its reverse 311 is also prime. How many two-digit primes are there between 10 and 99 which have the same property?

please help

Answer 1

There are nine such pair of primes numbers.

Step-by-step explanation:

There are nine such pair of primes numbers :

11, 13, 17, 31, 37, 71, 73, 79, and 97

Here Reverse of 11 = 11 which is a prime number

          Reverse of 13 =31(prime number)

          Reverse of 17 = 71(prime number)

          Reverse of 31 = 13(prime numbe)

         Reverse of 37 = 73(prime number)

         Reverse of 71 = 17(prime number)

         Reverse of 73 = 37(prime number)

         Reverse of 79 = 97(prime number)

        Reverse of 97 = 79(prime number)