The LCM for 2,4 &9 is.... 36
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lcm(4, 9) = 36 → the two least common multiples (ie the first two common multiples) of 4 and 9 are 36 and 72.
Since 4 is a multiple of 2, all the multiples of 4 will be common.
The least common multiple of 2, 3, and 4 is 12.First, you list the multiples of each number. Multiples are basically counting by that number.For example, here are a few multiples of 2, 3, and 4:2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, etc.3: 3, 6, 9, 12, 15, 18, 21, etc.4: 4, 8, 12, 16, 20, 24, 28, etc.
It is 12
All numbers have multiples. Some numbers have some of the same multiples as other numbers. These are known as common multiples. The smallest of these is known as the least common multiple. Common multiples of 3 and 4 include 12, 24, 36 and so on. The LCM of 3 and 4 is 12.