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There is really so such thing as a "greatest common multiple." Once you find the least common multiple of a set of numbers, you can keep adding the LCM to itself over and over again. Each new number you get will be a common multiple of your set of numbers, but each new number will always be larger than the previous. This means that you can keep adding while the number approaches infinity and you will still never find a greatest multiple.
The first few common multiples of 21 and 49 are: 147, 294, 441, 588, and 735.
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What is the GCM of 21 and 49?
There is no greatest common multiple since numbers keep going on forever. The greatest common factor is 7. The least common multiple is 147
What is the greatest common factor of 21 and 49 and 56?
The GCF is 7.
What is the LCM of 21 and 48 and 49?
The Least Common Multiple (LCM) for 21 48 49 is 2,352.
What is the greatest common factor of 77 21 49?
The GCF is 7.
What are the LCM and the gcf of 28 49 and 84?
The Least Common Multiple (LCM) for 28 49 and 84 is 588.The Greatest Common Factor (GCF) for 28 49 and 84 is 7.
