Any multiple of 63.
A common multiple of 9 and 21 is 63
The least common multiple of 7 , 9 , 21 = 63
the common multiple between 1 to 9 is... 9
A common multiple of 9 and 21 is a number of the form 63*k where k is an integer.
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
The Least Common Multiple (LCM) for 9 21 10 12 is 1,260.
least common multiple of 3 9 and 21 is 63.
The Least Common Multiple (LCM) of (9,15 and 21) is 315.
the next common multiple of 9and 21is126
63
63
The LCM of 6, 9, and 21 is 126