The lowest factor of any positive integer is 1.
There are many numbers with 12 prime factors. They are very, very big. The number with the lowest 12 prime factors is 7420738134810 if you start with 2 as the lowest factor. If you start with 1 as the lowest factor, then the number is 200560490130. 2048 has 12 factors.
No. 72 has 12 factors.
60
48
Six.
The lowest common factor of any set of integers is 1.
1
32
96 and 1
The lowest common factor of any set of positive integers is 1.
48 is the lowest of all whole numbers having 10 factors.
5/9 is a lowest term. They share no common factors.