The LCM is: 3,948
987
The Least Common Multiple (LCM) for 21 47 is 987.
The Least Common Multiple (LCM) for 47 21 42 is 1,974.
You need at least two numbers to find an LCM. If that's 471 and 221 or 47, 12 and 21, the LCM is their product.
The LCM is 470.
LCM(47, 69) = 3243
The LCM of 43 and 47 is 2,021.
The LCM is 21.
Their product.
Their product.
Their product.