Cool math Pre-Algebra Help Lessons: Least Common Multiples (LCM)

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Coolmath Pre-Algebra
Greatest Common Factors and Least Common Multiples lesson 4 - Least Common Multiples (page 2 of 6)
---- This pre-algebra lesson explains what the least common multiple (lcm) (also called the least common denominator) is and gives three methods of how to find it (lists, prime factorization and Euclidean Algorithm).

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Find the LCM of

and

10 : 10 , 20 , ( 30 ) , 40 , 50 , ... Grab the first common guy!

YOUR TURN:

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