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15 is the smallest number divisible by both 3 and 5
smallest 4-digit number divisible by 2 = 1000
There is no smallest number since if any number is divisible by 8, then 8 less than that number is also divisible by 8 - and that argument continues all the way to minus infinity!The smallest positive number divisible by 8 is 8, itself.
108 is the smallest 3-digit number divisible by 2,3,4 & 6
The smallest number that is divisible by all the numbers 2 through 12 is 27,720.