The smallest number which is exactly divisible by the numbers 8 9 and 10 is 360.
8 is the smallest
72
The smallest number that has 9 and 12 as factors is 36.
It is 2520
The smallest is three.
72
18
A composite number is a number with more than 2 positive integer factors. The smallest such odd number is 9.
36
The smallest number is 504. There are no common factors other than 3x3, 2x2x2, and 7, so they must be multiplied together.
9 has no common factors with 20- sorry!