This cannot be answered because the common multiples of any two or more numbers are infinite.
The highest common factor of 84, 168 and 182 is 14.
It is 14
The highest common multiple of any set of numbers is infinite.
14 is the GCF of 98, 168 and 182.
It is: 14
It is 14
The GCF is 14.
It is 14
It is: 14
It is: 2
21
There ain't no such animal! Highest goes with Common FACTORS; LEAST goes with Common Multiples.