you write with a pen
216 ,4587 and 2378
The LCM of 54 and 210 is 26....Using the ladder method
Just put all of the multiple out to 10 multiples then check if any of them are common. then go out to 20 multiples and check if any of them are common. keep doing this until you find a LCM
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Least Common Multiple (LCM) for 24 54 is 216.
If you use methods based on prime factors, it is the same whether you have 2, 3, or more numbers: find all the factors that occur in any of your numbers. If you use a method based on Euclid's Algorithm (that is, lcm(a, b) = a x b / gcf(a, b), where you find the gcf with Euclid's Algorithm), then you can find the lcm for two numbers at a time. For example, to get the lcm of four numbers, find the lcm of the first two, then the lcm of the result and the third number, than the lcm of the result and the fourth number.
Two or more numbers are needed to find the LCM
No matter what method you use, you need at least two numbers to find an LCM.
Find the LCM of the first two numbers and then find the LCM of that number and the third one. That answer will be the LCM of all three.
216 ,4587 and 2378
speed you can just use your brain to find the LCM faster, sometimes.
You need at least two numbers to find an LCM no matter what method you choose.
It doesn't matter which method you use. You still need at least two numbers to find an LCM. There is no LCM of 20.
You can find several Euclid biographies on the Internet, or look in an encyclopedia.
There was no such method because he would have known that there can be no such number.There is really so such thing as a "greatest common multiple." Once you find the least common multiple of a set of numbers, you can keep adding the LCM to itself over and over again. Each new number you get will be a common multiple of your set of numbers, but each new number will always be larger than the previous. This means that you can keep adding while the number approaches infinity and you will still never find a greatest multiple.
22 is a factor of 110. 110 is a multiple of 22. That means that 22 is the GCF and 110 is the LCM of those two numbers.