There is not a least common multiple of a single number, such as 78, because there cannot be a least common multiple without two or more numbers to compare. Common multiples are multiples that the numbers being compared have in common. The least common multiple is the smallest multiple that all the numbers being compared have in common.
Examples:
The least common multiple of 18 and 78 is 234.
The least common multiple of 52 and 78 is 156.
The least common multiple of 78 and 195 is 390.
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The Least Common Multiple (LCM) for 28 78 is 1,092.
Least common multiple of 2 26 and 39 is 78.
The least common multiple (LCM) refers to a multiple that is COMMON to two or more numbers. You have only one number in the question! The least multiple of a number is itself.
The least common factor of any set of positive integers is 1.
1092