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What is the HCM of 21 and 28?
The common multiples of 21 and 28 are 84, 168, 252, 336, ... and so on, never ending; so there is no real Highest Common Multiple.Do you mean:Highest Common Factor - the highest number which divides both 21 and 28 which is 7; orLowest Common Multiple - the lowest number which is a multiple of both 21 and 28 which is 84.
What is the least common multiple of 14 21 and 28?
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 28 is 84.
Lowest common multiple of 12 and 21?
The LCM is: 84
What is the least common multiple of 6 12 and 7?
The Least Common Multiple (LCM) for 6 7 12 is 84.
What are the common factors of 21 42 and 84?
The common factors of 21 42 and 84 are 21
