View Compilation Error

0_0_36644309_1282.cpp: In function 'void solve()':
0_0_36644309_1282.cpp:109:32: error: cannot convert 'std::string {aka std::basic_string<char>}' to 'long long int' for argument '1' to 'long long int lcm(long long int, long long int)'
             inf = lcm(a[i], inf);
                                ^