I am a prime number, my one digit and ten digit are two adjacent composite numbers in the natural number, I am ()

I am a prime number, my one digit and ten digit are two adjacent composite numbers in the natural number, I am ()

The answer is: 89
analysis:
According to the meaning of the title, we can infer that it is a two digit number, then the numbers on the one and ten digits are from 1 to 9
But if the question contains two adjacent composite numbers, then only 8 and 9 are in line with the meaning of the question