The least common factor is 1. (The least common factor of any two or more positive integers is always 1.)
The factors of 16 are 1, 2, 4, 8, and 16. The factors of 21 are 1, 3, 7, and 21. The only common factor is 1; they are relatively prime. The least (or lowest) common factor is 1. The greatest (or highest) common factor is 1.
The least common factor of 346 and 8 is 1384.
The least common factor of any set of integers is 1.
The least common factor is: 1
The least common factor is: 1
The least common factor is: 1
The least common factor is: 1
least common factor = 1
The least common factor is 1.The least common factor of any set of integers is 1.
The only common factor of 8 and 21 is 1.
The least common factor of 5 and 8 is 1. The least common factor of any set of integers is 1.
21 x 48 = 1008