We define what the lowest common multiple is and give examples of how the ide might be teach to your main school child.

You are watching: What is the least common multiple of 3 and 8

The lowest typical multiple of two numbers is the smallest whole number which is a multiple of both.Teachers may present this ide to an ext able Year 6 children.

rapid reminder: a multiple is a number that deserve to be separated by one more number a certain variety of times without a remainder.
The basic rule is to list the multiples that the bigger number and also stop once you acquire to a lot of of the smaller sized number. For example:What is the lowest typical multiple of 3 and 8?Multiples the 3 are 3, 6, 9, 12, 15, 18, 21, 24...Multiples the 8 room 8, 16, 24, 32, 40...So the lowest typical multiple of 3 and 8 is 24.
A an ext difficult challenge may it is in to ask because that the lowest common multiple that a team of three or 4 numbers.
because that example:What is the lowest typical multiple the 6, 15 and also 20?Start creating out the multiples favor this:Multiples of 6 space 6, 12, 18, 24, 30, 36Multiples the 15 are 15, 30, 45, 60Multiples the 20 space 20, 40, 60, 80Both 6 and 15 have actually multiples of 30, however 20 cannot have actually a multiple of 30. Both 15 and 20 have a multiple of 60. I understand that 6 likewise has a lot of of 60, since 6 x 10 = 60.Because 60 is the just multiple all three numbers have in common, 60 is the lowest common multiple the the 3 numbers.

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