What is the least common multiple of 81 and 102?
Least Common Multiple Calculator
Here you can find answers to questions like: What is the least common multiple of 81 and 102? or What is the LCM of 81 and 102?
Use this calculator to find the Least Common Multiple (LCM) for up to 3 numbers.
How to find the Least Common Multiple (LCM)
Definition
The least common multiple (LCM) of a set of numbers is the lowest positive number, which is a multiple of every number in that set.
Suppose you want to find the Least Common Multiple (LCM) for 6 and 8, notation LCM(6,8):
The LCM of 6 and 8 is 24 because 24 is the smallest number, which is both a multiple of 6 and a multiple of 8. This calculator uses the listing multiples method. This method consists of writing out a list of the lowest multiples of each number and looking for the lowest multiple both numbers have in common. In this example, we have:
- Multiples of 6: 6, 12, 18, 24. Note that 6 = 6 x 1, 12 = 6 x 2, 18 = 6 x 3, 24 = 6 x 4, 30 = 6 x 5
- Multiples of 8: 8, 16, 24. Also note that 8 = 8 x1, 16 = 8 x 2, 24 = 8 x 3, 32 = 8 x 4, ...
The LCM is also known as:
- lowest common multiple
- smallest common multiple
lcm Examples
Least Common Multiplier Calculator
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