What is the least common multiple of a list of numbers?
How can you find the LCM of a list of numbers by building it up?
How can you find the LCM of 12, 45 and 35 by building factors of each number into the LCM?
How can you find the LCM of 4, 5, 6, 7, 8, 9, and 10 by building factors of each number into the LCM?
How can you find the LCM of 6, 9, 10, 15, and 18 by building factors of each number into the LCM?
How can you find the LCM of 14, 15, 20, 25, and 28 by building factors of each number into the LCM?
How can you find the LCM of 21, 35, 49, and 60 by building factors of each number into the LCM?
Staff Review
Currently 4.0/5 Stars.
This lesson shows a really cool way of building the LCM of a list of numbers by making sure the LCM contains factors that make up each number in the list. This method really seems to be quicker and easier than making a factor tree.