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LCM by Common Division

Method  Example: 1

 Step 1: Write the given numbers 

in a horizontal line, separating

them by commas.

 Step 2: Divide them by a

suitable prime number, which

exactly divides at least two of

the given numbers.

 Step 3: We put the quotient

directly under the numbers in

the next row. If the number is

not divided exactly, we bring it

down in the next row.