1800
what is the largest three-digit number that is divisible by 4, 5, and 6
It is a 4 digit multiple of 6.
The lowest 4-digit number that is divisible by 6 is 1002
There can be no such number. If it is divisible by 5 and 6it must be divisible by 6.
If the last two digits are divisible by 4 then the number is divisible by 4. Thus, if the tens digit is even and the units digit is 0 or 4 or 8 OR if the tens digit is odd and the units digit is 2 or 6 then the number is divisible by 4.
2000
3030
3000
24000
1028
60 is divisible by 3, 4, 5, and 6.
999996