As $n$ ranges over the positive integers, what is the maximum possible value for the greatest common divisor of $11n+3$ and $6n+1$?
Greatest GCD of:
(11n + 3) and (6n + 1) is:
When n takes the values of: 1, 8, 15, 22, 29, 36........and so on. Or a(n) =7n - 6.
Then the maximum GCD = 7
+6 
