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# What is the lowest common multiple of 14 and 21?

Updated: 4/28/2022

Wiki User

8y ago

The least common multiple of 14 and 21 is 42.

14, 28, 42, 56 ...

21, 42, 63, 84, ...

Wiki User

8y ago

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Q: What is the lowest common multiple of 14 and 21?
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### What do 21 and 14 both go into?

The lowest common multiple - is 42 !

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you would have to make a factor tree for 8, 14, and 21. 8 equals 2*2*2. 14 equals 7*2 and 21 equals 7*3. Then you have to see what is the lowest number that they have in common. 8,14,21 do not have a number in commone so there isn't a common multiple.

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The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers. The least common multiple of 9, 14, and 21 is 126.

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The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers.The least common multiple of 14, 21, and 42 is 42.

LCM: 21

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The greatest common multiple of any set of integers is infinite.--------------------------------------------------------------------------------------------------------Did you perhaps mean:the greatest common FACTOR (the greatest number which divides into 14 and 21 without remainder): gcf(14, 21) = 7;the LOWEST common multiple (the smallest number which is a positive multiple of both 14 and 21): lcm(14, 21) = 42

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