View Compilation Error

0_0_32584571_20858.cpp: In function 'int main()':
0_0_32584571_20858.cpp:92:12: error: 'lcm' was not declared in this scope
    cout<<n/lcm<<endl;
            ^
0_0_32584571_20858.cpp:95:17: error: 'lcm' was not declared in this scope
    cout<<(n-kk)/lcm+1<<endl;
                 ^