A two-digit integer is divisible by $n$ and its last digit is $n$. What is the greatest possible value of $n$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A two-digit integer is divisible by $n$ and its last digit is $n$. What is the greatest possible value of $n$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
9
A two-digit integer is divisible by $n$ and its last digit is $n$. What is the greatest possible value of $n$?
train