Question

There are 99 numbers in the given order 2,3,..........100.. You are 5 friends playing with these. at first You have erase all the numbers dived by 2, after that your one friend has come and erase all the numbers divided by the lowest number that had been left there.Your another friend had come and has repeated that.If the process continues than what will be the last number remaining there?

Answer 1

At last 97 will remain.