only print the answer
remove more extraneous output
add comment, only print answer
only print output, actually call gridSearch
print answer by calling range_LCM
apparently I did this by hand before
print result
only print answer
only print answer
only print output, add TODO for memoization:WQ
format issue, changed TODO (memoization would help another problem)
print answer only
add memoization, print answer only
add regression tests