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Earn +20 ptsQ: What is the LCM of 21 3 9?
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What is the GCF of 3 9 and 21?
The GCF is 3. The LCM is 63.
What is the common multiple of 7 and 9 and 21?
21 = 7 x 3 , 9 = 3 x 3 ; for the Least Common Multiple (LCM), 21 already is a multiple of 7. 21 & 9 have a common factor of 3, so LCM = 21 x 3 = 63
What is the LCM of 9 21 and 49?
The LCM is 441.
What is the LCM of 3 and 21?
The Least Common Multiple (LCM) for 3 21 is 21.
What is the LCM of 21 14 and 9?
It's 126. -- the 6th multiple of 21 -- the 9th multiple of 14 -- the 14th multiple of 9
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