All numbers with a least common multiple, have that multiple as a factor.
lowest common denominator
Lydia is the least common girl name in the US
The least common name is one that was not used at all in 2009.
The least common pet name is Xavier
Backbones are another common name for vertebrae.
In the year 2009 it was found that the least common female name in the UK is Wilona
The greatest common divisor is another name for the greatest common factor (GCF) and refers to the largest number that will divide into two or more numbers evenly with no remainder.