6
6 is.
14
6, 8 and 10
1155
6
3
6 is.
the four smallest numbers are 4, 9, 25 and 49.
14
6, 8 and 10
4, 9 and 25.
The smallest number that has both twenty-four and thirty as factors is 120.
Logically, the smallest number with 4 different prime factors would have to be the product of the smallest four prime numbers. So the smallest natural number with four different prime factors is 210 (2*3*5*7).
1155
10
The number 9: factors are 9, 3, and 1.