Firstly, the number must be even. 2520 is perfectly divisible.
only 1 is the smallest number so uh yea...
The smallest number divisible by first four prime numbers is 2x3x5x7 = 210.
The smallest number which is exactly divisible by the numbers 8 9 and 10 is 360.
4 is the smallest composite number and it is not divisible by the two given numbers.
The smallest number that is divisible by all the numbers 2 through 12 is 27,720.
Every number is divisible by 1. Including negative numbers, that's an infinite list. There is no smallest.