The LCM is: 105
The least common multiple of the numbers 21 and 60 is 420.
15x21=315
The lowest common multiple (LCM) is: 252
The lowest common multiple is 21
The Least Common Multiple of 18 and 21 is 126.
LCM: 21
There is an infinite number of common multiples for 21 and 15. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder).
The Least Common Multiple of 21, 63, 147: 441
7
its 105
210
126