Question 1
Given $A,D$ are two nonzero digits, the two-digit numbers formed by them satisfy:
1. $\overline{DA}$ is prime.
2. $\overline{AD}$ is the product of two primes greater than 5.
Find $\overline{DA}$.
1. $\overline{DA}$ is prime.
2. $\overline{AD}$ is the product of two primes greater than 5.
Find $\overline{DA}$.