999.
996
888
994
It will be the largest multiple of 60
5 multiplication table always ends with 5 or 0 so that largest 3 digit no is 995
975
99 is.
996
888
994
It will be the largest multiple of 60
The number 100,002 is divisible by 3. The largest 5 digit number is 99996 (6 less).
5 multiplication table always ends with 5 or 0 so that largest 3 digit no is 995
There is no such number. If you have any such number, n, that is divisible by 3 and 5 then n + 15 is larger, and is divisible by both. And you can add another 15 to that number, and then to that, for ever more.
-3
99
-1