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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What you do is multiply all 3 numbers together.
You need at least two numbers to find an LCM.
Two or more numbers are needed to find the LCM
You need at least two numbers to find an LCM.
When all of them are prime numbers,then just multiply the numbers to get the LCM of those 3 numbers.