The least common multiple of the numbers 72 and 21 is 504.
Multiply them together.
The common factors are 1 and 7. (7 = 1 x 7 and 21 = 3 x 7) The only common prime factor is 7, which is also the largest common factor.
The only Least Common Multiple (LCM) for 7 9 14 is 126.
You need at least two numbers to find an LCM.Multiples of 7 include 14, 21 and 28.
Multiply 21 and 11 to get a common multiple. Since 21 and 11 have no common factors, that also happens to be the least common multiple.All other common multiples are multiples of this least common multiple.
The Least Common Multiple (LCM) of (3,7) is 21.
The least common multiple of the numbers 72 and 21 is 504.
105
It is: 126
84
The Least Common Multiple of 21 and 30 is 210.
It is 210.
The LCM is: 42
126
The LCM is 63.
The LCM is 189.