Question

The total number of 2-digit number prime numbers in which both digits are also prime numbers, can be:

a) 2 b) 3

c) 4 d) 5

Answer 1

Answer:

It is 23 .

Because 2 is also prime and 3 is also prime because they have only one factor 1 and 23 is also a prime.

Answer 2

Answer:

your answer is 23

Hope it helps you...