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The least common factor of any set of numbers is 1.
By definition, 1 is a factor of all numbers. And you cannot have a factor that is less than one so it is the least.
In this case 1, is also the greatest common factor since the numbers have no other common factors. We call these numbers relatively prime.
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What is the least common factor of 12 and 21?
The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 21 are 1, 3, 7, and 21. The common factors are 1 and 3. Therefore, the least common factor (the smallest common factor) is 1.
What is the lowest common factor of 12 18 and 21?
The least common factor of any set of integers is 1.
What is is the least common multiple of 12 and 21?
The LCM of 12 and 21 is 84. To find the LCM, prime factor both numbers then multiply each factor the most times it was used in either number.12=2x2x321=3x7lcm=2x2x3x7=84The Least Common Multiple (LCM) for 12 21 is 84.
What is the least common factor of 21 and 45?
The least common factor is: 1
What is the lcf of 12 and 21?
The least common factor of any set of integers is 1.
What is the least common factor of 21 and 6?
The least common factor is: 1
What is the greatest common factor of 12 and 36 and 21?
The Greatest Common Factor of 12, 36, 21 is 3.
What is th greatest common factor of 12 and 21?
The highest common factor of the numbers 12 and 21 is 3.
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 of 10 and 21?
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 of nine and 21?
The least common factor of any set of integers is 1.
