i think 128
6
16
2 (1 and 2)
6
64
A prime number is a whole number that has only two distinct factors: 1 and the number itself. A composite number has at least three distinct factors.
455,275,150 has 72 whole number factors.
Lowest common multiple
20
One is the least of the whole numbers.
That would be 1. The only factor of 1 is 1. All other whole numbers have at least two factors. Prime numbers have exactly two factors, while composite numbers have more than two factors.
There is no least whole number: the negative counting numbers go on for ever.