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What are the least common factor of 10 and 21?
The least common factor is 1. (The least common factor of any two or more positive integers is always 1.)
What is the least common factor of 21 and 45?
The least common factor is: 1
What is the least common factor of 6 and 21?
The least common factor is: 1
What is the lowest common factor of 6 and 21?
The least common factor is: 1
What is the least common factor of 21 and 6?
The least common factor of any set of integers is 1.
What is the least common factor of 21 and 40?
The least common factor of any set of integers is 1.
What is the least common factor for 21 and 35?
The least common factor of any set of integers is 1.
What is the least common factor for 18 and 21?
The least common factor of any set of integers is 1.
What is the least common factor of nine and 21?
The least common factor of any set of integers is 1.
What is the least common factor of 21?
There cannot be a least common factor of just one number. To be common there need to be at least two numbers.
What is the least common factor of 21 and 63?
The least common factor of any set of numbers is 1. The least common multiple, and therefore the denominator, of 21 and 63 is 63.
What is the least common factor of 3 and 21?
The least common factor is 1. (The least common factor of any two or more positive integers is always 1.)
