27, 720
1 is prime
2 is prime
3 is prime
4 = 2^2 (number must have 2 factors of 2)
5 is prime
6 = 2*3 (number must have at least 1 factor of three and one factor of 2)
7 is prime
8 = 2^3
9 = 3^2
10 = 5*2
11 = prime
12 = 2*2*3
2*2*2*3*3*5*7*11 = 27720
* * * * *
1 is not a prime (nor is it a composite number). The characteristic of prime or composite is defined for integers greater than 1.
The smallest number which is exactly divisible by the numbers 8 9 and 10 is 360.
12
27720
16
13
27720
13
11
The smallest number divisible by first four prime numbers is 2x3x5x7 = 210.
11
8
27720. Try it. I think it works. From the internet.