Question 140
Find the biggest 3-digit number which satisfies the following three conditions:
1) the number is prime;
2) the 3-digit number obtained by writing the digits of our number in the reverse order is a prime too;
3) the product of the digits is a prime too.
1) the number is prime;
2) the 3-digit number obtained by writing the digits of our number in the reverse order is a prime too;
3) the product of the digits is a prime too.