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The least common factor is a term often mistakenly given to either the greatest common factor (GCF) or the least common multiple (LCM). This term is not often used because it does not describe a useful relationship between numbers. Since 1 evenly divides all integers, 1 is technically the least common factor for any set of integers.

38 and 39 are relatively prime, which means that they share no factors aside from 1.

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Q: What is the least common factor of 38 and 39?
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What is the greatest common factor of 38 and 39?

38 and 39 have only one common factor. It is ' 1'.Also, when you ask for the 'greatest' of something,you can't expect to get more than one of them.


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Least Common Multiple (LCM) for 37 38 39 is 54,834


What is the least common factor of 26 and 39?

The least common factor of any set of numbers is 1. The factors of 26 are 1, 2, 13, and 26. The factors of 39 are 1, 3, 13, and 39. The common factors of 26 and 39 are 1 and 13. Therefore, the least common factor (the smallest common factor) is 1.


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What is the least common multiple of 15 and 39?

The least common multiple of two numbers is the product of the two numbers divided by their greatest common factor. The greatest common factor of 15 and 39 is 3. Therefore, the least common multiple of 15 and 39 is 15 x 39 ÷ 3 = 195.


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You need at least two numbers to find something in common, but I'll save you the trouble. The least common factor of any set of positive integers is 1.


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